RDISCROWD-7941: Duplicate task checksum for private data

[dchhabda]

Issue number of the reported bug or feature request: #

Describe your changes
A clear and concise description of the changes you have made.

Testing performed
Describe the testing you have performed to ensure that the bug has been addressed, or that the new feature works as planned.

Additional context
Add any other context about your contribution here.

[coveralls]

Pull Request Test Coverage Report for Build 13080476111

Details

• 21 of 26 (80.77%) changed or added relevant lines in 2 files are covered.
• 15 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.03%) to 94.12%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pybossa/task_creator_helper.py	19	24	79.17%

Files with Coverage Reduction	New Missed Lines	%
pybossa/repositories/project_repository.py	5	97.79%
pybossa/view/projects.py	10	91.35%

Totals
Change from base Build 13074847927:	-0.03%
Covered Lines:	17512
Relevant Lines:	18606

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💛 - Coveralls