Redone layout for user profile header
placed container for drag handle
Added code for setting the drag handle in Book detail fragment
Added functionality for setting frag handle in book detail pager fragment
Fixed sliding layout drag handles for most cases
Used hashCode() for volley tag instead of debug tag to prevent bugs while simultaneously using multiple instances of the same fragment
Merge commit '2562fcd75edd55f8d7617f603928069f2c711fa1' into instant_chat_message