Spanish translation.

This most probably will need to be double-checked.
I'm a native speaker but I seldom use software translated to Spanish.
Merge pull request #117 from DrDub/master

Spanish translation.
@mwangiann @ctumwebaze upgraded the android support version and changed the mockito dependency from all to core.
@mwangiann @ctumwebaze removes the toast messages during the sync process and replaces them with the notifications.
changes the sync title for the enquiries and children to use the internationalization features. @mwangaiann @ctumwebaze
Merge pull request #125 from ctumwebaze/master

Better Error Messages
@ctumwebaze #30 adds fix to show toast message when using the AsyncTaskWithDialog class.
@ctumwebaze #30 adds fix to show toast message when using the AsyncTaskWithDialog class.
Merge pull request #126 from ctumwebaze/master

show toast when working with AsyncTaskWithDialog
rapidftr/tracker#30 Fix error messages for login, introduce AndroidAnnotations and PowerMock