Only scroll to bottom on textview size changes when automaticallyScrollsToMostRecentMessage is set
Merge pull request #233 from andrewchae/version_5_offsets

Update collection view insets and scroll to bottom when textView size changes
improve rotation handling
clean up
data source docs
collection view delegate docs
collection view docs
collection view cell docs
toolbar docs
toolbar content view docs
Merge branch 'version_5_release' into version_5_ac

* version_5_release:
  toolbar content view docs
  toolbar docs
  collection view cell docs
  collection view docs
  collection view delegate docs
  data source docs
  clean up
  improve rotation handling
  Only scroll to bottom on textview size changes when automaticallyScrollsToMostRecentMessage is set