added testing code for User model
adding debug info in development env
added user sign up page testing
added authentication page testing cases
added redirect to sign up  when not signed in
change from feasible to general in welcome page
added coding question models
coding question creating and updating UI
display coding questions in training, enable editing and deleting of coding questions
path working
code block for training description
Merge branch 'development' of github.com:Coursemology/coursemology.org into dev/add_path

Conflicts:
	app/assets/stylesheets/custom.css.scss
	app/helpers/application_helper.rb
fixed conflict
added stuff management
added mange stuff and mange students, award exp in tutorial group
submission notification only to respective tutors
display adding stuff when there is more than 0
debugging info
added icon for stuff management
Merge branch 'master' of github.com:Coursemology/coursemology.org into development

Conflicts:
	db/schema.rb