heroku ready
heroku ready
local development ready
authentication + json parsing
posts_controller works
users work
user creation fix
delete useless require
comment migration + reference fix
comments work
add friends and get friends
README.md conflict solved
get only_friends post
post and get image
me and me/post
get users
modify count method in get
test environment + user with friend: true/false
helpers/tools

add test_tools
add users_controllers_test