Merge branch 'students'
Merge branch 'students'
mod documents api.
fix login error.
add logout.
add companies login system
Merge branch 'company'
resolved conflict"
resolved conflict
resolved conflict
Merge branch 'company'

Conflicts:
	fuel/app/classes/controller/base.php
fix login bug.
fix company signup.
add seminars page.
mod seminar list api.
add company info on seminar list api.
add edit seminar.
add beacon.
add setting for company.
add document.