end of line correction in the right branch
fixed guard showing the examples correctly
changed travis command to run rspec
Merge pull request #6 from andreorvalho/config/rspec/correct_guard_command

fixed guard showing the examples correctly
removed gemset from rvm
Merge pull request #7 from andreorvalho/config/remove_rvm_config

removed gemset from rvm
add wall
spec model of wall
post belongs to wall
walls spec models review
fixed PR mistakes