fixed topics spec controller.
all tests in controller passed
add spec test for comment model
add comment datatype body
add rspec for comment model
add rspec comment accepts one valid parameter
add rspec associations to comment model
rspec passed
add rspec for comment model
rspec test pass
add rspec test for have many association
a comment has many tags
rspec test passed
add rspec for comments model
validate presence of :body
all 17 examples pass
Merge pull request #13 from stcrestrada/master

JWag and Estrada merge