Update RNA-seq resources to latest versions prepared by @roryk with gffutils database fixes. Add canFam3 resources: chapmanb/bcbio-nextgen#386
Turn on download of dnSNP and RNA-seq resources for canFam3: chapmanb/bcbio-nextgen#386
When configuring the remote desktop, set nginx PAM module to allow logins for any system user
Update custom nginx package version
For the remote desktop, switch to xfce4 (vs. jwm) window manager because it's more feature-full