add faraday and httparty in Gemfile
add faraday and httparty in Gemfile
Merge branch 'master' of https://github.com/Tout/trubl
building in hashtag retrieval
rvmrc
spec for follow/unfollow hashtag
Pin version of floating deps. 
Bump version for hashtag follow/unfollow support.
Merge branch 'feature/hashtag' into develop