Split up Travis tests to avoid hitting the hard Travis timeout
Add coveralls (coverage web service) #1264
prevent install error nokogiri on Ruby < 1.9.2

<pre>
Gem::InstallError: nokogiri requires Ruby version >= 1.9.2.
An error occurred while installing nokogiri (1.6.0), and Bundler cannot continue.
Make sure that `gem install nokogiri -v '1.6.0'` succeeds before bundling.
</pre>
Use CHILIPROJECT_LANG environment var to set lang in default data loader
Merge branch 'master' into unstable
Update to Rails 3.2.8
Remove engines plugin as it is not compatible with Rails 3.2
Replace vendored awesome_nested_set with the gem

awesome_nested_set would have needed to be updated for rails 3.1,
unvendoring it makes updates easier. The patches to the vendored
awesome_nested_set will have to be reviewed and adapted.
Provide deprecated dispatcher
Remove obsolete core patches
Adapt routes for Rails 3.2
Rails3.2: pdf: comment out ::ActionView::TemplateHandlers::ERB of rfpdf plugin (#4796)

ActionView::TemplateHandlers is deprecated on Rails3.2
and Redmine cannot boot on Rails3.2.
Redmine does not use this rfpdf plugin feature.

git-svn-id: svn://rubyforge.org/var/svn/redmine/trunk@8702 e93f8b46-1217-0410-a6f0-8f06a7374b81
Remove unnecessary Mailer patch
Port async delivery methods to Rails 3

Original code by Jean-Philippe Lang
redmine:b590ff105e2e69ccd5b06c2783860e78bc1b392b
Include the correct URL helpers module for Rails 3
Don't use the prototype helper anymore
RMagick is required by bundler right now
Replace RAILS_DEFAULT_LOGGER with Rails.logger
Updates dispatch.fcgi.example to work with Rails3 and removes CGI handlers.

git-svn-id: svn://rubyforge.org/var/svn/redmine/trunk@9604 e93f8b46-1217-0410-a6f0-8f06a7374b81
Replace RAILS_ROOT with Rails.root