Fix Repository News long press

Performing a long click on a repository news item and selecting one of
the choices did nothing since:
1) The current repository is already being shown
2) There was no viewUser function defined for RepositoryNewsFragment
Merge branch 'newsfix' of git://github.com/sbennett18/android into sbennett18-newsfix
Don't open new activity when viewing an owner of the repo (this can cause issues with deep hierarchy by opening user->user's repo->same user and so on)
Fix build process for Android 22
Merge pull request #381 from anemator/master

Fix build process for Android 22
Update RoboGuice link
Update spanish translation

Closes #383
Long click on repo opens dialog

1) Navigate to repo owner's page
2) Remove repository from Recently Viewed

Also now refreshes repositories list when you return from
viewing a repo if the repo was added to the Recently Viewed list.
Previously, you had to manually refresh for the change to be seen.

Closes #348
Revert AvatarLoader whitespace changes
correct content description for avatar image
remove useless layout
imports optimize
extract string to resources
Extract duplicate code to single method.
Reduce scope of methods.

Closes #384
Change up navigation from RepositoryViewActivity
Navigate to the owner's page instead of the HomeActivity

Closes #316, closes #278