Support specifying a base url for remote urls
Merge pull request #27 from cmer/src-base-url

Support specifying a base url for remote urls
remove most references to jux
use documentup to host docs
fix display of footer
remove unused styles/scripts from homepage
simplify homepage text
use ruby 1.9.3 on heroku
update gems
change procfile server config
add gemfile for travis
don't specify ruby version when running CI
Update Httparty to ~> 0.13.0 to avoid CVE-2013-1802

Also updates gems
Adds `set :protection, :except => :path_traversal` to app.rb

This prevents eating/omission of %2F%2F when called from spec/requests/magickly_app_spec.rb:114

More information: https://github.com/sinatra/sinatra/issues/808
remove unused tasks from rakefile
lock activesupport version
check response status in tests explicitly
Merge branch 'master' of github.com:ad-dc/magickly into lock-activesupport

Conflicts:
	Gemfile.lock
	magickly.gemspec
use fastimage instead of imagesize gem
drop support for ruby 1.8.7 and 1.9.2