[view] colorization of attendance input background
Merge pull request #163 from Genshin/colorization_on_grading

[view] colorization of attendance input background
change gaku_forms gaku_nested_forms versions
[fix] jquery-rails proper version
Merge branch 'rails4' of github.com:Genshin/GAKUEngine into rails4

Conflicts:
	core/gaku_core.gemspec
Merge branch 'rails4' of github.com:Genshin/GAKUEngine into rails4
[deprecations] remove deprecations from models
Merge pull request #168 from Genshin/rails4_remove_model_deprecation

Rails4 remove model deprecation