Clean-up not used localization constants
Merge branch 'master' into clean-up
Set next dev version
Fix loading 'App' and 'Terminal' tabs content in FF
Fix loading 'App' and 'Terminal' tabs content in FF
Fix IDEUI-348 Run icon disappears while clicked

Update visible and enable condition of RunAction:
* visible if isRunningEnabled OR isAnyAppLaunched as just using
isRunningEnabled is not enough (app launch set it to false so the
button would disappear if we use only that condition),
* enabled if not anyAppLaunched (don't repeat visible conditions).
Fix IDEUI-346 Time active still running after stop

Fix for IDEX-1443 introduce this bug. Now, when no runner is launched
(isAnyAppLaunched), the counter gives the latest time active value.
Remove app tab
merge with 3.1.x
Merge with master
Merge branch 'clean-up'
Merge branch 'master' of github.com:codenvy/ide