Added fixed build.
Updated index.
New release (EGRET 1.2.4, dataRetrieval 1.2.2).
Fixing conflict.

Merge branch 'master' of github.com:USGS-R/usgs-r.github.com

Conflicts:
	src/contrib/EGRET_1.2.3.tar.gz
	src/contrib/PACKAGES
	src/contrib/PACKAGES.gz
delete old version.