Fix child row deletion in tree grid
Fix sort re-init after setColumns
Fix accidentally unrender all rows
Fix filter bar keyboard support
fix rowheader not align with row in DOD
update dod rowheader fix
fix rowheader shinning in rowlock when scroll

fix is only for webkit browsers: chrome and safari
update previous fix
fix unselectable row issue in tree grid
fix unselectable issue in tree mode
fix dod API for row not working with virutalVscroller
Fix IE7 hidden grid refresh issue
Fix id validness checking for Tree expand/collapse
fix lazy edit changed cell bg position issue
fix lazy edit bg position issue
Typo
Merge pull request #137 from jsonn/patch-1

update comments in Edit.js
update fix for lazy edit bg position issue
fix dod error when set empty
Merge branch 'master' of https://github.com/oria/gridx