Add setup.py script and installation notes

The setup.py script provides the most basic functionality required for
emperor as a python package. The installation notes will guide you
throug a generic installation of the scripts and libraries.

This should fix #16
Fix broken links and clarified install steps

Add some extra formatting for the installation instructions.
Merge pull request #28 from ElDeveloper/issue_16

Add setup.py script -- closes #16
Add vertical scroll bar for Color and Visibility

The Color and Visibility tabs now have a vertical scroll bar so no
content remains hidden.

This change fixes #26.
Merge pull request #29 from ElDeveloper/issue_26

Add vertical scroll bar for Color and Visibility