Add submissions api.
Fix test error in test/test.submitDevelopChallenge.js
Merge branch 'master' into registrants_api
Merge branch 'master' into submissions_api

Conflicts:
	actions/challenges.js
Fix tests of Challenge Cost API
Fix Tests for Terms Of use API
Merge pull request #218 from Ghost141/submit_develop_challenge_fix

Fix test error in test/test.submitDevelopChallenge.js
Fix tests for Recent Design Winning Submissions API
fix tests for challenge results api
fix tests for get challenge rss api
fix tests for get active billing accounts API
fix tests for Get Member Marathon Statistics API
fix tests for get countries API
fix tests for checkpoint api
fix tests for member srm statistics api
fix tests for get client active challenge costs api
restore the after method
fix tests for validate social api
fix tests for get track statistics api
fix tests for review oppurtunities api