Merge pull request #6 from genomematt/master

package for pip install
Added Matthew Wakefield to Authors in README.txt and in LICENSE.txt
Made rubra runnable from the user's path once installed.
Moved example test data to correct location; updated command-line instructions to reflect installed rubra.
Added touchfiles style.
Fixed doc typo.
change to mac friendly #!
Refactor functions that act on scripts
Create script base class with these functions
Merge remote-tracking branch 'upstream/master'