Add coveralls (coverage web service)
lets push coverage data to coveralls when all tests pass
I probably have to require coveralls/rake/task
update Gemfile.lock
add coveralls rake task
added SimpleCov OpenProject profile
setup coveralls before any other thing in env.rb
do not generate coverage report for redcloth3 and ldap libs
include coveralls badge in README

[ci skip]
remove unused code from testing.rake

[ci skip]
Merge pull request #151 from opf/feature/rails3_coveralls

Feature/rails3 coveralls