add gemstoneVersion gciLibraryName adornmentColor to OGCustomSessionDescription ... the implication is that we can now connect to multiple gemstone versions from same image (not at same time .... need to exit one shell and launch another for it to work) ... still pretty nice capability ... see sessionDescription* messages in TDTopezClient for examples ... simply need to copy the gci libraries into the image directory (on linux) ... not tested on mac ... yet