Merge pull request #50 from kcarcia/validation

Validation
Decrease idle time, make it just saved now, and decrease time it appears like it is saving...
Merge pull request #51 from kcarcia/autosave

Decrease idle time, make it just saved now, and decrease time it appears...
Remove message on acode/reg div when start typing. Reduced auto save by 0.5 seconds.
Merge pull request #52 from kcarcia/autosave

Remove message on acode/reg div when start typing. Reduced auto save by ...
submit page, validation fixes
Adding submission in. Fixing studentlogin page when an assignment has no labs assocaited with it.
Minor fixes.
Merge pull request #53 from kcarcia/submit

Submit
Missing images I forgot to commit
changed location of validation of database errors
styling of 'saving'
Multitude of usability based changes
Submit Warning&last of changes from usabilitytst