- Fix plist for ruby 2.0
- revert downgrade in r312750, add PORTEPOCH
- while here convert to optionsNG for DOCS, add LICENSE
- add portscout limitation for production version

PR:		176395
Submitted by:	kritek@gmail.com
- Convert to OptionsNG, explicitly pass --without-gconf if GCONF is disabled
- Drop leading indefinite article from COMMENT, i/o -> I/O
- Since PLIST_SUB was covering just one file, turn it into PLIST_FILES+=

Approved by:	mezz (on behalf of gnome)