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
Merge remote-tracking branch 'upstream/master'
added keyword parfor, see https://github.com/cerveza1988/matlab.tmbundle/commit/2d62576a9bdad4fa0a066d62dd2778c42177baea
added the possibility to execute Matlab/Octave code by [CMD]+R.
This is an extension of the code at https://github.com/DGrady/matlab.tmbundle