added configs
add drag and drop
Merge pull request #1 from abukurov/features/drag-and-drop

Drag and drop
add widget directive
Merge pull request #2 from abukurov/features/base-directives

Widgets directive
Merge pull request #3 from abukurov/configs

added configs
Merge branch 'master' of https://github.com/abukurov/droid-ui into features/controllers