Escape '+' sample names causing GEMINI problems
Escape '+' sample names causing GEMINI problems

https://groups.google.com/d/msg/biovalidation/NskVZlJrcTk/wvutMPX8BgAJ
Thanks to @bwubb

brainstorm/bcbio-nextgen,biocyberman/bcbio-nextgen,biocyberman/bcbio-nextgen,chapmanb/bcbio-nextgen,chapmanb/bcbio-nextgen,lbeltrame/bcbio-nextgen,a113n/bcbio-nextgen,vladsaveliev/bcbio-nextgen,lbeltrame/bcbio-nextgen,chapmanb/bcbio-nextgen,a113n/bcbio-nextgen,vladsaveliev/bcbio-nextgen,brainstorm/bcbio-nextgen,biocyberman/bcbio-nextgen,vladsaveliev/bcbio-nextgen,a113n/bcbio-nextgen,brainstorm/bcbio-nextgen,lbeltrame/bcbio-nextgen