Merge pull request #55 from inolabdev/recruitment

Recruitment
Fixed many to many relation.
Identation.
Changed file input css.
Improved toString().
improved chosenbox css.
Added Selections Actions and update method.
Improved.
Added vacancy definitions.
Added Interview actions.
Added title.
Added vacancy index.
Improved.
Added new vacancy user interview.
improved.
Added vacancy VM.
Added candidate edit page.