Add support for changing column count dynamically
Add example of how to use setColumnCount(int, int)
Re-layout children when changing column count
Merge dynamic column count example with StaggeredGridActivity
Merge branch 'master' into develop
Merge pull request #57 from jenzz/feature/DynamicColumns

Merged pull request #57 into develop - Add support for setColumnCount(int, int) - Issue #26
Stop FlingRunnable onSizeChanged() - fixes crash when forcing columns to change when scrolling at high velocity
Clear the recycle bin of stashed views onSizeChanged
Added colum_count attribute for both orientations #32
Modified sample to use column_count and resource references for orientation change #32
Fixed setColumnCount to allow onSizeChanged to run #32
Merge branch 'develop' into 'master'
Readme updates for column_count attribute