Use version 1.8 of ruby for bundle items

10.7 and 10.8 only include ruby 1.8, so all bundle items have been written to work with that. Optionally supporting ruby 1.9 and 2.0 is problematic as these versions are not fully backwards compatible.

#ignore
Fix indentation in multiline blocks.

Use regexes from HTML grammar (minus PHP specific stuff) and extend
them to indent lines between <% if ... %> ... <% end %> etc.
Open Rails documentation in browser instead of HTML pane.
Remove key shortcut.

Ctrl-H should only be used for 'Documentation for Word' (aka 'Help').
Use ^P for “Create Partial From Selection” (instead of params-Snippet)
Use Rails 3 syntax for rendering partials.
And double quotes instead of single quotes.
Add js.coffee to VIEW_EXTENSIONS.

So that “Go to alternate file” recognizes CoffeeScript templates correctly.
Add “Ruby on Rails (Spec)” grammar.
Remove RJS grammar.
Make sure 'Ruby on Rails (Spec)' includes source.ruby.rails
Merges commits from die-antwort branch