Rename setup.py to cx_setup.py

This is necessary in order to have a standard setup.py for source
installations.
Rename src directory to reggata.
Add a main() function to reggata.py and a launcher file calling main().
Move all source files in reggata folder.
Add an __init__.py with info about the project.
Minor cleanup
move translation files to a separate folder.
Add a setup.py and a launcher file.
Added subpackages to the distribution
PyDev project config update
Ignoring build directory...
Created package ui for designer generated files
Moved file one dir up
Added new package ui to setup.py
Created bin directory for scripts
Switched from distutils to setuptools
Removed #! line
Removed classifiers from setup.py
Some little changes
Switched back to distribute (setuptools doesn't work with python3)