bundle update : rails4
omniauth-facebook simple login
fix groups_controller bug
merge master
add model group_user
add colums
change data type of description to text
move is_default from group_tags to tags
add methods to models
maca test update code
layout & groups index
fix group index current_user
layouts/application.html.erb add sign in/out link
add welcome index
add bootstrap & expenses
groups related
add rvm files
add wireframe file
ran annotate which wrote migration info to each model.
added default tags in seed.rb
logic related
logic related 2