add copied Science Sleuth config with removed OIPs
a-b testing changes to backend
Merge pull request #307 from tongxiang/a-b-testing

Add A/B testing branch & beta single-touch sign-in
Add config for 'Science Sleuth 5% A/B Test'
remove ab-test flags, add logic checking for query params in abtesting beta join mdata
Merge pull request #308 from ArielSD/a-b-testing

Add config for 'Science Sleuth 5% A/B Test'
Merge pull request #309 from tongxiang/remove-abtest-flag

remove ab-test flags, add logic checking for query params in abtesting b...
add second game test
Adds retry into mobilecommons requests
Removing 404 from the list of status codes to retry after
v 1.0 of endGameFromUserExit testing
intermediate commit
Merge pull request #311 from jonuy/issue-291

Adds retry into mobilecommons requests
fix bug: only one user from ended games messaged that the game has been ended from user exit
remove all created test game docs
Merge pull request #312 from tongxiang/userexit

1) Tests for "end game from user exit" functionality 2) bug fixes
first pass at Express 3-4 migration, all tests passing, gameplay working
change .send() to .status().send() and .sendStatus()
Merge pull request #316 from tongxiang/express3to4

Migrating Express 3 --> 4
add routes directory