Update nbm plugin to 3.11.1 for Maven 3.1.1
Merge pull request #35 from fierarul/master

Login window, browser node double-click, menu items cleanup
protocol view displays again
Update to nbm.plugin 3.11.1
Set default plugin manager check interval to every startup

At least for beta, we want updates to be applied as soon as possible.
We set a system property in ovation.conf to check interval at every
startup.
prepare release 2.0.15
update to snapshot version 2.0.16-SNAPSHOT
Merge pull request #31 from physion/mvn-3.1.1

Update nbm plugin to 3.11.1 for Maven 3.1.1
Merge pull request #36 from physion/features/auto-update-on-startup

Set default plugin manager check interval to every startup