add emptiness check with jquery in session/create
configured login form to be validated and submitted by jquery ajax
undo unecessary changes in views/session/create.php
make corrections of Dio, and move form validation scripts to specific files according to the page
remove end line
fix bug that cause js scripts to miss the error js function
fix form errors to prepend in a specific input of the form. Also move .focus() to the error function
fix conflicts from master
Merge branch 'login_validation' into errors_specific_place
Merge pull request #291 from pkakelas/login_validation

Login jquery validation
add select() on error
Define vars as an empty array, because the user might not give any arguements
Merge pull request #295 from VitSalis/fix_run_error

Define vars as an empty array, because the user might not give any argue...
Remove repo icons from footer
Merge pull request #294 from pkakelas/errors_specific_place

Make form errors appear before a specific input in forms and add default focus
Migrate database to include user roles
Fix filename of user role migration
Add support for roles in user model
Fix typo in user model
Add unit tests for user roles