Log Message:
Update to compositeproto-0.4.1. Changes:

Add pointers to mailing list, git repo, and wiki to README
Migrate to xorg macros 1.3 & XORG_DEFAULT_OPTIONS
compositeproto 0.4.1
compositeproto: use XORG_CHANGELOG macro to create ChangeLog. #22611
Replace static ChangeLog with dist-hook to generate from git log
Temporarily define Pixmap (just like Window and Region). (From pkgsrc.)