[spec] student specialties in students#show
[fixes] css classes and id for gaku naming convention
[spec fix] added flashes check and esnure find name in index table
added student disposals link to admin menu
[model] validations for SimpleGrade
[spec] request spec for Simple Grades in students#show
[fixes] problems caught by specs for simple grades
[locale] for simple grades
collection helper for schools
add to_s in school model
validations for simple grades
[controller specs] fix some failures in admissions controller spec
Merge branch 'develop' of https://github.com/tapalilov/GAKUEngine into develop
Merge branch 'develop' of https://github.com/martakostova/GAKUEngine into develop
Clean models