Merge pull request #4 from raphaelm/master

update with latest commits from raphaelm
Replaced pagination with endless scrolling
using the implementation of EndlessScrollListener from
https://github.com/thecodepath/android_guides/wiki/Endless-Scrolling-with-AdapterViews
Seems to work perfectly.
Revert "Replaced pagination with endless scrolling using the implementation of EndlessScrollListener from https://github.com/thecodepath/android_guides/wiki/Endless-Scrolling-with-AdapterViews Seems to work perfectly."

This reverts commit 1d3901bb1d647082d3692f5dcb319dd6e6011f1b.
Merge pull request #5 from raphaelm/master

update with latest commits from raphaelm
Add Loading indicator on detail page
Add error messages to Detail View
Add error message to Search results view
Fix bug with error message in detail view
remove unused file
unsupported_error and answer_error messages on AccountFragment
fix typo
connectivity error on Account view
Merge pull request #201 from johan12345/master

Added loading indicator and error messages