- grouping & treegrid fixes
- fixed inclusive/exclusive bug in filtering
- added loading indicator
Merge branch 'master' of github.com:ccantill/powergrid into ccantill_master

Conflicts:
	web/extensions/grouping.js
	web/powergrid.js
rowhighlighting extension
loading indicator fix
Merge branch 'master' of github.com:ccantill/powergrid into ccantill_master
- new loading indicator
- fixed delegation on datasources
Merge pull request #10 from SamDeBlock/bugfix

Bugfixes etc