Merge pull request #2 from rjmccluskey/sessions

Sessions and layouts combined!
fixing files
adds migrations and models
minor refactoring
fixes tweet association
adds validations
merge rich_tina with master
merged sessions with master
create some forms
added forms
Merge branch 'sessions'
added stuff
Added layout stuff
Merge branch 'master' of https://github.com/rjmccluskey/lil_twitter into xu

Conflicts:
	Gemfile.lock
	public/css/application.css
d
profile mostly done
Merge pull request #4 from rjmccluskey/duo_kevins_joe

user login and user page done
Merge branch 'master' of https://github.com/rjmccluskey/lil_twitter into xu
more layout work
styled login screen