beany/erdong | #1581 enable batch load FormModel.
beany/erdong | #1581 Add property to tell whether a entity's type is reporter.
Revert "beany/erdong | #1581 Add property to tell whether a entity's type is reporter."

This reverts commit cd50b3c0378cd8c643c161024160c456a889e813.
Revert "beany/erdong | #1581 enable batch load FormModel."

This reverts commit 24ea6e5d0e661e2d00314b1919e5fe7f4e241ba8.
beany/erdong | #1581 Add property to tell whether a entity's type is reporter.
beany/erdong | #1581 enable batch load FormModel.
edfeng/qszhuan | #1581: Add view for subject
edfeng/qszhuan | Add registration flag to FormModelBuilder.
Akshay - fixing requirements.pip
Beany | #1702 Add successful_submission to submissions.py.
Beany | #1702 Added method submissions_by_form_code to get all the submissions for the form_code.
Beany | #1702 Added tests for submission_validation.
Beany | #1702 Added view to load undeleted submissions.
edfeng/qszhuan | #1708: Add view for deleted submission logs
Beany | #1702 Added view file for undeleted_submission_log.
qszhuan/edfeng | N/A Add reduce function to make build pass on CI.
Beany | Added reduce function for undeleted submissions to make ci happy.
qszhuan | #1708: Only mark submission as void when calling void() function of Submission explictly.
Qingshan/Beany | Moved the view definition of datasender_by_mobile to mangrove.
Qingshan/Erdong | #1408 Added view to load data sender information from submissions.