• Add LICENSE.
• Remove %%PORTDOCS%% in pkg-plist and use PORTDOCS in Makefile instead.
• Fix a wrong pathname in pkg-message.
• Use {opt}_* variables instead of ".if ${PORT_OPTIONS:Mfoo}".
• Remove patch-Makefile.in because it is no longer needed.

Approved by: hiroto.kagotani@gmail.com (maintainer)