docs: Fixed image links in blog posts so they would work on Github.

docs/an-arduino-with-skidl-2017-04-01.html

@@ -70,7 +70,7 @@ <h2 class="entry-title">
   descriptions, usage notes, etc.</li>
 <li>It's already done, which means I don't have to do it.</li>
 </ul>
-<p><img alt="A page of the Arduino schematic." src="/images/an-arduino-with-skidl/arduino-schematic.png"></p>
+<p><img alt="A page of the Arduino schematic." src="images/an-arduino-with-skidl/arduino-schematic.png"></p>
 <p>After loading the Arduino project with KiCad, the netlist for the design
 is exported by the Eeschema schematic editor using the <code>Tools =&gt; Generate Netlist File...</code>
 menu command.

docs/author/dave-vandenbout2.html

@@ -99,7 +99,7 @@ <h2 class="entry-title">
 <h3 id="blinkenface">Blinkenface</h3>
 <p><a href="https://github.com/mossmann/blinkenface">Blinkenface</a> is a version of "LED glasses"
 made with a cascaded string of APA102 RGB LEDs controlled through an SPI interface:</p>
-<p><img alt="Blinkenface PCB" src="/images/others-use-it-too/blinkenface_pcb.png"></p>
+<p><img alt="Blinkenface PCB" src="images/others-use-it-too/blinkenface_pcb.png"></p>
 <p>Th majority of Blinkenface is just a …</p>
 		</div> <!--/#entry-content-->
 	</div> <!--/#main-->
@@ -227,7 +227,7 @@ <h2 class="entry-title">
 I showed how to use SKiDL to describe the circuit for a simple USB-to-JTAG
 interface circuit.
 That circuit used a PIC32MX microcontroller in a 28-pin SSOP package:</p>
-<p><img alt="PIC32MX in a 28-pin SSOP package." src="/images/names-not-numbers/pic32mx-ssop28.png"></p>
+<p><img alt="PIC32MX in a 28-pin SSOP package." src="images/names-not-numbers/pic32mx-ssop28.png"></p>
 <p>and the corresponding SKiDL code was: </p>
 <div class="highlight"><pre><span></span><code><span class="n">pic32</span> <span class="o">=</span> <span class="n">Part</span><span class="p">(</span><span class="n">pic32_lib</span><span class="p">,</span> <span class="s1">&#39;pic32MX2\*0F\*\*\*B-SSOP28-SOIC28-SPDIP28&#39;</span><span class="p">,</span>
              <span class="n">footprint</span><span class="o">=</span><span class="s1">&#39;Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm&#39;</span><span class="p">)</span>

docs/author/dave-vandenbout3.html

@@ -56,7 +56,7 @@ <h2 class="entry-title">
 		<div class="entry-content">
 			<p>This post describes using SKiDL for a USB-to-JTAG interface
 that was taken all the way from concept to physically building a device.</p>
-<p><img alt="Assembled USB-to-JTAG board." src="/images/usb-to-jtag/assembled_brd.png"></p>
+<p><img alt="Assembled USB-to-JTAG board." src="images/usb-to-jtag/assembled_brd.png"></p>
 <p>The interface is pretty simple. It's built from the following stuff:</p>
 <ul>
 <li>A PIC32MX220 microcontroller.</li>

docs/building-a-usb-to-jtag-interface-using-skidl-2017-01-19.html

@@ -56,7 +56,7 @@ <h2 class="entry-title">
 		<div class="entry-content">
 			<p>This post describes using SKiDL for a USB-to-JTAG interface
 that was taken all the way from concept to physically building a device.</p>
-<p><img alt="Assembled USB-to-JTAG board." src="/images/usb-to-jtag/assembled_brd.png"></p>
+<p><img alt="Assembled USB-to-JTAG board." src="images/usb-to-jtag/assembled_brd.png"></p>
 <p>The interface is pretty simple. It's built from the following stuff:</p>
 <ul>
 <li>A PIC32MX220 microcontroller.</li>
@@ -69,7 +69,7 @@ <h2 class="entry-title">
 <li>A status LED.</li>
 </ul>
 <p>Here's a block diagram to help orient you as the SKiDL code is presented.</p>
-<p><img alt="USB-to-JTAG device block diagram." src="/images/usb-to-jtag/block_diag.png"></p>
+<p><img alt="USB-to-JTAG device block diagram." src="images/usb-to-jtag/block_diag.png"></p>
 <p>Any SKiDL project starts as a Python file.
 In this example, I created the file <code>intfc_brd.py</code>.
 The first line in the file imports all the functions and classes of the <code>skidl</code> module:</p>
@@ -544,10 +544,10 @@ <h2 class="entry-title">
 
 <p>When <code>intfc_brd.net</code> is taken in by KiCad's PCBNEW layout editor,
 the initial component arrangement looks something like this:</p>
-<p><img alt="USB-to-JTAG board with unplaced parts." src="/images/usb-to-jtag/pcbnew-unplaced.png"></p>
+<p><img alt="USB-to-JTAG board with unplaced parts." src="images/usb-to-jtag/pcbnew-unplaced.png"></p>
 <p>After a suitable amount of fiddling (none of which has anything to do with SKiDL at this point),
 we get to a final PCB layout:</p>
-<p><img alt="Completed USB-to-JTAG board layout." src="/images/usb-to-jtag/pcbnew-routed.png"></p>
+<p><img alt="Completed USB-to-JTAG board layout." src="images/usb-to-jtag/pcbnew-routed.png"></p>
 <p>The layout is translated into <a href="https://en.wikipedia.org/wiki/Gerber_format">Gerber files</a>
 that are sent for fabrication into a physical PCB.
 Parts are assembled with the PCB

docs/category/posts2.html

@@ -98,7 +98,7 @@ <h2 class="entry-title">
 <h3 id="blinkenface">Blinkenface</h3>
 <p><a href="https://github.com/mossmann/blinkenface">Blinkenface</a> is a version of "LED glasses"
 made with a cascaded string of APA102 RGB LEDs controlled through an SPI interface:</p>
-<p><img alt="Blinkenface PCB" src="/images/others-use-it-too/blinkenface_pcb.png"></p>
+<p><img alt="Blinkenface PCB" src="images/others-use-it-too/blinkenface_pcb.png"></p>
 <p>Th majority of Blinkenface is just a …</p>
 		</div> <!--/#entry-content-->
 	</div> <!--/#main-->
@@ -226,7 +226,7 @@ <h2 class="entry-title">
 I showed how to use SKiDL to describe the circuit for a simple USB-to-JTAG
 interface circuit.
 That circuit used a PIC32MX microcontroller in a 28-pin SSOP package:</p>
-<p><img alt="PIC32MX in a 28-pin SSOP package." src="/images/names-not-numbers/pic32mx-ssop28.png"></p>
+<p><img alt="PIC32MX in a 28-pin SSOP package." src="images/names-not-numbers/pic32mx-ssop28.png"></p>
 <p>and the corresponding SKiDL code was: </p>
 <div class="highlight"><pre><span></span><code><span class="n">pic32</span> <span class="o">=</span> <span class="n">Part</span><span class="p">(</span><span class="n">pic32_lib</span><span class="p">,</span> <span class="s1">&#39;pic32MX2\*0F\*\*\*B-SSOP28-SOIC28-SPDIP28&#39;</span><span class="p">,</span>
              <span class="n">footprint</span><span class="o">=</span><span class="s1">&#39;Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm&#39;</span><span class="p">)</span>

docs/category/posts3.html

@@ -55,7 +55,7 @@ <h2 class="entry-title">
 		<div class="entry-content">
 			<p>This post describes using SKiDL for a USB-to-JTAG interface
 that was taken all the way from concept to physically building a device.</p>
-<p><img alt="Assembled USB-to-JTAG board." src="/images/usb-to-jtag/assembled_brd.png"></p>
+<p><img alt="Assembled USB-to-JTAG board." src="images/usb-to-jtag/assembled_brd.png"></p>
 <p>The interface is pretty simple. It's built from the following stuff:</p>
 <ul>
 <li>A PIC32MX220 microcontroller.</li>

docs/dont-replicate-automate-2017-02-17.html

@@ -86,7 +86,7 @@ <h2 class="entry-title">
 placing hundreds of bypass caps.
 Here's a section of a schematic showing just the bypass caps for a
 relatively small chip with around a dozen ground pins:</p>
-<p><img alt="Schematic with bypass capacitors." src="/images/dont-replicate-automate/bypass-caps.png"></p>
+<p><img alt="Schematic with bypass capacitors." src="images/dont-replicate-automate/bypass-caps.png"></p>
 <p>And here's the design process:</p>
 <div class="highlight"><pre><span></span><code><span class="nv">Click</span> <span class="nv">on</span> <span class="nv">capacitor</span> <span class="nv">symbol</span>. <span class="nv">Drag</span> <span class="o">&amp;</span> <span class="nv">drop</span>. <span class="nv">Attach</span> <span class="nv">power</span>. <span class="nv">Attach</span> <span class="nv">ground</span>.