Kiwitcms

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- Rebased onto a1c47ec
- Updated removal of deprecated request.REQUEST from PR 156 (Mr. Senko)
- Updated tests from previous merge of PR 171 (Mr. Senko)
- Refactor SQL in testplans to ORM. PR 172 (Mr. Senko)
- Fix Issue 174 - Error when remove tag from a plan's cases (Mr. Senko)
- Refactor SQL in testcases to ORM. PR 177 (Mr. Senko)
- Improve tags search and fix hints while adding tags to selected test cases
inside of a test plan. PR 178 (Mr. Senko)
- Update documentation about installation steps for RHEL6.
PR 179 (Mr. Senko)
- Make it possible to build and run Nitrate as docker image.
PR 180 (Mr. Senko)

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- Rebased onto 8f45beb
- Remove tcms.core.migrations.0001_django_comments__object_pk

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- Rebased onto 980b07b
- Add tests, SQL refactor and fixes for commit_unless_managed.
PR 170, Issue 148 (Mr. Senko)
- Enable testing with MySQL and Postgres on Travis-CI. PR 171,
Issue 169 (Mr. Senko)

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- Rebased onto c696e62
- Don't use deprecated request.REQUEST. PR 156 (Mr. Senko)
- Update tests and fix Travis CI core dump. PR 168, Issue 161 (Mr. Senko)

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- Rebased onto 7a6bc34
- Enable the test suite. Fix 113 (Chenxiong Qi)
- Refactor SQLs in xmlrpc (with tests). PR 159 (Mr. Senko)
- Enable Coveralls.io. PR 160 (Mr. Senko)

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- Don't install files under /etc/ to avoid SandboxViolation (Mr. Senko)