Fixed missing translations to close #974
fix layout when user not logged in #970
fix layout when no user logged in
create rake tasks that compiles frontentjs

task dynamically searches for available plugins and compiles js for all of them
update frontend.js for default plugins

bundle exec rake frontendjs:compile && bundle exec rake frontendjs:compile[1]
Merge pull request #985 from simplysoft/flexible-frontendjs-compilation

More flexible frontend.js compilation
recompile frontend.js with updated plugins
Merge pull request #987 from simplysoft/flexible-frontendjs-compilation

recompile frontend.js with updated plugins
check for closure builder instead of closure directory
fix race condition in screen refresh

- add dispose method fields
- check for null position in all connection callbacks

fixes #988
update frontend.js
update rails configs
Merge pull request #989 from simplysoft/flexible-frontendjs-compilation

Improve check for closure library installation
Merge pull request #990 from simplysoft/fix-988

Fix race conditions in screen refresh
add space after breaks
treat marquee as ticker content
Merge pull request #991 from concerto/marquee_tweaks

Marquee tweaks
Replace a few is_admin? checks with can? calls, close #976.
use correct cache when templates change
add source map during frontend.js compilation