initial commit
Copied the files from CaldavToDo and resolved dependencies.

Copied the files pertaining to tasks into the Android project. Corrected
the namespace and fixed any dependency issues.
Added basic functionality to the 2 pane Fragment task display.
#181
Implement AsyncModelLoader #191
Merge branch 'dev' of ssh://git.dmfs.org:23023/android-tasks/tasks into dev
provide default model for local accounts & unknown account types #192
Ported the code to display the Task from Activity into Fragment. #190
The Task is now display in the TaskDetail Fragment. #190

The DefaultModel is used as a fallback. Waiting for Marten to complete
the storage of model-type to continue.
update task detail view to use the new columns for account type and name #194
fix classpath
update column names #194
Added a SelectionFieldView
add methods to set layouts in FieldDescriptor #190
Created rudimentary Integer View/Editor and skeleton for DateTime. #190
implement basic ArrayChoicesAdapter
fix ArrayChoicesAdapter returns null for title and drawable
add some simple icons
Changes to XMLModel for passing both application and provider context.
Merge branch 'dev' of ssh://git.dmfs.org:23023/android-tasks/tasks into dev
add icons to choiceadapters for status and classification