Adds network store
Defines SCPosting class
Hooked up interface
Fixes api for request propogation
dispatches success callback to the main queue
Added some cell updating logic
Merge branch 'mcnamara/api' into feat/postingCell

Conflicts:
	SchoolCraig.xcodeproj/project.pbxproj
Merge branch 'mcnamara/api' of https://github.com/cs27x/SchoolCraig_iOS into feat/postingCell

Conflicts:
	SchoolCraig.xcodeproj/project.pbxproj
Merge branch 'feat/postingCell' of https://github.com/cs27x/SchoolCraig_iOS into feat/postingCell

Conflicts:
	SchoolCraig.xcodeproj/project.pbxproj
Fixed file lost in merge
Updated cell update logic
Adds fake network store for testing
Implements parsing of post
fixes delay operation for handling requests
Updated poster info label
Merge commit '0e9df03fc6c602478a673752304ebf980fd573e3' into feat/postingCell
Fixes xcode 6.1 issues
Merge commit '73988aff123da3a8e0aa002fbb001f80156ffc1f' into feat/postingCell
Tableview work
UI nearing completion
Added some constraints for layout