Staging - WS239 release

Fixes

#737 - modENCODE track height - JB
#794 - PCR page update overlapping gene - JW
#983 - Other_name search - AC
#1006 - link outs blastp - AC
#1082 - transposon family summary pages - JW
#1114 - start_not_found/stop_not_found - JW
#1365 - Variation summary - JB
#1430 - Historical_gene - AC
#1511 - remove links to non-curated species strains - JW
#1629 - execute individual test - JB
#1644 - Error messages Sequence/Clone page - AC
#1677 - Webpage links case sensitive - AC
#1693 - phenotype legend filter - JW
#1694 - Natural isolates - AC
#1725 - Expr overview error on staging - AC
#1726 - Transgene page - AC
#1727 - Transgene reporter - AC
GFF databases, full name - JB, AC
Searching fix - add cutoff - AC