Renamed VCR cassettes, Admin to admin
Added kaminari to Gemfile
Added streams controller using kaminari gem
Changed Timeline controller #index to return only specified users'
timelines
Changed session#create action
Another refactoring in the Session Controller
Fixed how bin/ folder should be handled
Updated the ruby and rails versions
Added spring as a spork replacement and removed a lot of now useless
gems
Removed some stuff related to frontend and fixed routing