Update to 4.1
- Take maintainership
- Change MASTER_SITES to the one used by other projects like HaikuPorts
- Set LICENSE_FILE
- Build the port manually via do-build; there is no point in patching the
official makefile, it's is too fragile
- Remove all the patches, they are no longer needed
- Shorten pkg-descr & set WWW
- Install the manual page under share/man/man1