Not dry working version of horizontal scroll
Add back recycling if horizontal
Fix crash on adapter data changed in orientation horizontal
mItemMargin accessor
Rough, but working as before without unness span property
Crude but working support for multi row items
Laying things out properly
Fix bugs and add back basic scrolling
Proper calculation of offset and restrict scroll to content only
Small fixes to mItemMargin and maxAllowedOffset
Add missing vertical methods
Add back recycling
Dont move children if content fits
Simpler offset calculation and fix getCurrViewportRect calculation
Remove selector code & simplify customizable attrs
Initial source
Remove old files
Reload grid on orientation and margin change
Merge gradle migration