Adds a version number to print in notebook

• adds a basic version number with a '+tag' to quickly show which version a notebook is using:

import ToolBox as tb
print('SCS ToolBox version: {:}'.format(tb.__version__))

SCS ToolBox version: 0.1.0+AFS

• change the module import to import local file and not installed files

Merge assigned to our local python expert (@teichman) on best practice.