UI improvement and fixes

Remove dead server_settings links and routese

Hacketihack styling progress bar in executions overview

Raise per page to 12 and give option in executions filter

Per page for tasks in execution

Add per_page filter to commits

Per page for users

Dry-up per_page partial

Replaced font-awesome files with gem font-awesome-sass

Fix icons and other css stuff

More icons stuff

Refactor admin/repository#show

Improve branch update triggers new new edit view

Link from admin/repository branch to filtered commits

Refactored reloader

Refactored reloader