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TE-476
Merge pull request #30 from muhammad-ammar/ammar/travis-and-badges

Build on Travis and Badges
Corrected pylintrc filename
Remove deprecated setting; replace with new version.
Merge pull request #32 from edx/benp/fix-diff-quality

Remove deprecated setting; replace with new version.
Removed forum data from activity resource

We don't currently have the data. I have commented out the relevant code.
Merge pull request #31 from edx/no-forum-data

Removed forum data from activity resource