Add methods for installation of file based databases (db-var, genome-db-dbsnp, ucsc) from github. Similar to those already available for cosmic, tgi/misc-annotation and tgi/cancer-annotation
minor fix to installation of databases from github needed for standalone gms
ClinSeq - fix update-analysis to handle cases where a suitable somatic-variation model exists but no build have been started
Updated class browser cache.
Updated `genome` tab completion.