commit
refactoring
tweak image drawing
refactor bubble message cell. fix layout bugs. new policies. refactor delegate and datasource methods.
refactoring.
refactoring
added support for custom avatar image views
refactor to avatarImageView data source method only.
avatar images
refactoring
fix avatars. update demo to simulate group chat
minor changes
refactor bubble view to use imageView and textView
add data detectors. closes #14
rename source folder
bubble image factory. reorganize resources.
avatar factory. remove avatar category.
clean up bubble view.
new bubbleImageView delegate API. lots of refactoring.
formatting and comment headers