Minor modifications to the new AppCafe: make the list icons 22x22, fix a bug with opening the browser page for an installed application, add two direct action buttons to an installed app info - update (shown when necessary) and remove.
Add tooltips to the new update/remove buttons
Fix some issues with the network manager not enabling the "save" button at the right times

Also move the global text warning label to a location visible across all tabs
Merge branch 'master' of github.com:pcbsd/pcbsd