Added py2exe setup script.
Added icon for u2py.
Moved distribution folder to dist.

+ Updated dist to version 1.5.14 compiled with py2exe
Final release of version 1.5.14.

+ Project structure slightly modified to enable py2exe compilation from
project folder.
+ Removed unused files.
+ u2.dll got FileImpl fixes and version information: 1.3.1.1