Merge pull request #13 from vdanyliv/myrosia

Myrosia
fix course module edit func
new modules
new modules
add localization
add localisation
changed to proper mysql pass
fix add/edit func with relations
fix fill selects function
separated AR models from controlers
added md5 and salt for user password. improved security on user creation
cleaning code
user model modifications
cleaning code
Merge pull request #14 from vdanyliv/vkuzb-lvuiui-78

Vkuzb lvuiui 78
fixing module teacher_subject
fix edit function
Merge branch 'backend' into mmoroz-bg

Conflicts:
	app/public/json_files/ua.json
	app/scripts/localization/js/dropdownLib.js
	app/scripts/localization/ua.json
minor fixes
fixing