Partial for the forms in User, Session and Link. Unify layout of code and bootstrap
Basic Header styling, rename 'sample app' to 'HRT'
Helper method current_user and authenticate? in ApplicationController
minor styling: margin for the container
Some rspecs on user and links, new in Gemfile: database_cleaner, link.title is now required
All Links in Index - all users Links in Show
User can see all links or his own, can edit and delete them, route for link_index_user, b
etter and cleaner way for passing in error messages
update rails for security reasons
added gravatar to user profile
added gravatar to user profile
hopefully last merge from pull request
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	app/helpers/users_helper.rb
	app/views/users/show.html.erb