Fixed Ticket winpython#94: default root directory is now the installe…

…r directory

https://sourceforge.net/p/winpython/tickets/94/

Code refactoring + fixed/moved winpython/tests.py to ./test.py

new version

Updated changelogs for 2.7.5.2 and 3.3.2.2

Launchers: added support for arbitrary environment variable definition,

using the "environment" section of the winpython.ini configuration file

Added changelogs for 2.7.5.0 and 3.3.2.0

WinPython Control Panel: added shortcut to command prompt

Upgraded SciTE to v3.3.1

diff.py: new script to generate automatically changelogs (new package…

…s, upgraded

packages, removed packages from a version of WinPython to another)

version