sorted strings alphabetically and deleted duplicates
added strings to strings.xml
converted string comparison (str1 == str2 => str1.equals(str2))
Merge pull request #25 from D-E-N/cleaning_up_strings

Cleaning up strings
added german translations (values-de/strings.xml)
retranslated some strings
Fixed issue #27: Correction of duedate/duetime while rotating the screen
Replaced SlidingMenu with android-menudrawer (again)
Removed ActionMode. Layout of a row changes on a click, now.
Added delete/modify/done buttons to a task row. Fixes #12 and #16
First implementation of saving the data in json files
Bug-Fixes: #28 and #29
Update README.md
First implementation of JSON-Datafiles
Patched Issue #30: Due date shows up when it should not
Removed the buttons from deleted/done tasks.
ActionBarSherlock update to 4.3
Merge branch 'master' of https://github.com/dandyism/taskwarrior-androidapp
Code-Layout fixes
TaskDataSource now handles the taskwarrior data files.