Changed all interest selection icons into buttons and added selector method for them. Also now keeps track of selections.
Merge branch 'master' of https://github.com/loopyz/spontaneity

Conflicts:
	Spontaneity/Spontaneity.xcodeproj/project.pbxproj
	Spontaneity/Spontaneity/AppDelegate.m
	Spontaneity/Spontaneity/images/.DS_Store
	Spontaneity/Spontaneity/images/assets/.DS_Store
	images/.DS_Store
	images/assets/.DS_Store