- Add support to run the unit tests for the rtemstoolkit python
modules from waf. Enter './waf test' for the tests to be run on
python2 and python3.
- Update the importing of rtemstoolkit modules to the standard
method which works on python2 and python3.
- Update the README.
This works in Python2.7 and Python3.5. Python2 __import__ searches relative
and absolute paths by default. Python3 searches only absolute paths as default.
The option change searches 1 parent directory relative to the calling function
and has the same meaning in Python2 and Python3.