fixed algobug, Ganswer
Merge branch 'AlgoTesting' of github.com:diplay/Project into AlgoTesting
added labels to Gpage
added labels to GAnswerPage
2 bug fix
added init Gans_groups
add new functionality to BNF
contact diplay for details
Merge remote-tracking branch 'origin/AlgoTesting'

Conflicts:
	app/assets/javascripts/G_answer.js
	app/views/tasks/edit.html.erb
Merge remote-tracking branch 'origin/alzater'