(WIP) column freezing with 2 concurrent SlickGrids
Merge branch 'dev' into freeze
Merge branch 'dev' into freeze

Conflicts:
	src/main/webapp/resources/js/sulka.core.js
Merge branch 'dev' into freeze

Conflicts:
	src/main/webapp/resources/js/sulka.core.js
merge dev
Merge branch 'dev' into freeze

Conflicts:
	src/main/webapp/resources/css/sulka.css
Merge branch 'dev' into freeze
Merge branch 'dev' into freeze
save progress
important bugfix (groups with freezing)
almost done
Merge branch 'dev' of github.com:lintubongarit/sulka into freeze

Conflicts:
	src/main/webapp/WEB-INF/views/addRingings.jsp
freeze feature done + some refactoring
-warning
Merge branch 'freeze' into dev