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
Add python shebang line snippet (py⇥)

This is usable in any document provided the `py` trigger is at the very start of the document.
Revert ruby 1.8