Rules to cross-compile win32 on linux
Rule to build win32 package for distribution

Uses Wine to run the tests.
Added docstring to cross-compiling script with src

Brief description and link to SCons Wiki where I found the script
Using only O3 flag to make executables smaller

Recreated a mode for SCons that runs with all warnings and ANSI errors
(renamed to 'check'). Added rule to make all packages in dist.
Travis: forgot to cd back to home after first run
Merge pull request #10 from leouieda/cross-compile

Rules to cross-compile win32 on Linux