added rspec stuff to Gemfile and changed home page to welcome home action instead of index.
renamed welcome/index.html.erb to home to match name change of home page
Added basic rspec tests for home page. Changed title in application layout to accept a :title variable in each page
Merge branch 'master' of https://github.com/basketbaseb/via-bahia
updated schema from Davids micropost migration
added more git stuff to the README