fixed bug when selecting all items in datagrid
fixed not removing removed rows from selection
fixed jshint issues
fixed another bug when removing elements
worked on removing selected elements
Merge branch 'develop' of github.com:massiveart/husky into bugfix/datagrid
refactored remove of selected
added new build
performance opt.
Merge pull request #435 from massiveart/bugfix/datagrid

[BUGFIX] fixed some bugs in the datagrid