Fixes python tests where python 3.x is installed
Since #480, no default path is set so we should define one for testing python
Adding install info to readme for Mac OS 10.9 Users
Merge pull request #746 from Grantlyk/readme-bundleinstaller-fixes

Adding install info to readme for Mac OS 10.9 Users
Merge pull request #694 from vStone/bugfix/fix-python-tests-python3

Fixes 2 python issues within the tests