author scaffold
author validations
Merge remote-tracking branch 'upstream/master'

Conflicts:
	db/schema.rb
thesis-author relation
Merge remote-tracking branch 'upstream/master'
Add index
Merge pull request #1 from Gregy/master

Pridat index
added index to theses
Merge remote-tracking branch 'upstream/master'
thesis validations
faculty scaffold
unique faculty name
faculty reference
loading faculties into thesis form
fixed faculty_id
added bootstrap
basic bootstrap
nested author
permit nested attributes
author name