start adding feature specs for blog post preview
clean up css and fix button and footer problems
remove footer, add about page
add default avatar to groups, closes #256
add pending boolean to membership
person is pending when joining group
fix display of pending members
only accepted  members can do certain things
wip accept members into group
new schema
show pending groups on person#show
display banner on groups#show when person waiting
really display buttons properly
disallow person from joining group
fix everything post-haml craziness
Merge branch 'master' into blog_preview

Conflicts:
	app/assets/stylesheets/custom/custom.css.scss
remove coffeescript files
add choose your own gif with localstorage
draft feature
put draft info into admin panel