Tab-buttons: add some user-feedback (#20632)....
Tab-buttons: add some user-feedback (#20632).
* Hover color
* Enable/disable buttons (visually at least) when no more change is possible
* Width calculation with jQuery only, no longer hard-coded
* Remove ugly outline in Chrome (at least on Mac)
Patch by Daniel Ritz.
git-svn-id:
http://svn.redmine.org/redmine/trunk@15249 e93f8b46-1217-0410-a6f0-8f06a7374b81
