Update readme.md to work with current version of python
Adding new start up file for unix/linux/OSX
Adding a nifty little progress bar, quite subtle
Dual support for Python 2 and 3.
Add dual support for Python 2 and 3 at bootstrap code.
Add dual support for Python 2 and 3 at the shell script that re-launch presentation on Linux/MacOS.
Update package version from 1.0 to 1.1.