spec/spec_helper.rb : Add some more helpers
spec/spec_helper.rb : Add some more helpers

Add helpers for :

SimpleCov
Coveralls
PullReview
should_not
FakeFS (in case needed)

Signed-off-by: Grant Ramsay <4ab1b2fdb7784a8f9b55e81e3261617f44fd0585@gmail.com>

seapagan/update_repo,seapagan/update_repo,seapagan/update_repo,seapagan/update_repo