Merge pull request #1 from kristianmandrup/master

Lots of cool new features, config DSL etc.
Merge pull request #2 from kristianmandrup/master

Added config DSL specs :)
Merge pull request #3 from kristianmandrup/master

A lot of nice refactorings to make it a whole lot better... also added Google+ button support :)
remove init.rb
add social-buttons.rb for automatic loading of railtie
regenerate gemspec
url is not accessible for twitter, parameterize it
Merge branch 'master' of github.com:iffyuva/social-buttons
Merge branch 'minor-fixes' of github.com:iffyuva/social-buttons
merged fixes and fixed tweet spec to pass