Update README.md

Added tested systems and known issues.
Update README.md

Corrected List
Update README.md

Fixed List again.
Update bootstrap_osx.sh

Added some verbose.
Bug-Hack for mysql-python 1.2.3

Forced the script to install mySQL-python 1.2.3 to circumvent bug in current version of the code.
Merge pull request #5 from rod156/master

On-Demand Pull Request