groupes files into groups
core data model added
Core data integrated to home timeline and user profile(user profile has one scroll issue)
Core data added for followers and following also
Infinite Scroll Applied on UserTweetsViewController and HomeTimelineViewController.
new tweet will be added directly to core data.
Infinite Scrolll added to all the views.
Pull to refresh Added to home timeline view controller
Pull to refresh added to user tweets view controller.
Fixed a small bug of user tweets view controller not scrolling up
temporary commit
almost project done.
updated gitignore
merge coredataintegration into master
created function for generating authorisation header and added AF networking files
using afnetworking library to send get requests to twitter.
add afnetworking usage for get and post request for twitter API.
not using slrequest.
Automatically login user added if access token exists in the nsuserdefaults
refactoring: send request logic moved to another function
refactoring: signing request logic in tweeter fetcher moved to another function