Replaced loading code indicator with the working indicator (with newly added animated ellipsis)
Replaced other spinners
Ensure that the loading indicator is above dialog overlays.
Show loading indicators when loading.
Formatting.
Tweaks to indicator
 Made Loading indicator larger, and hide it when empty repo
Mobile menus
Merge + formatting.
Students now load. Also converted AJAX calls to jQuery (except the hiding of spinners)
Correcting portuguese translation
Merge pull request #1531 from arkon94/loading

Use "Working..." indicator as "Loading [code]..." indicator. Fixes #723.
Merge + now hide Loading indicator instead of old spinners
Merge pull request #1538 from tiagochst/portugues-translation

Correcting portuguese translation
Merge pull request #1537 from arkon94/issue-1491

Fixes #1491
Merge pull request #1535 from arkon94/sass-mobile

Mobile menus
Merge conflicts resolved.