Further Encode browser tweaks
Further Encode browser tweaks
Add friendly name for Encode browser loaded tracks
More encode updates
Change to parsing of bed files to be more tolerant of variations after column 5.  Encode uses bed-like "big bed" files which vary after this column.
Fix incorrect bigbed unit test file.  Tests were passing before because of compensating code error.
Refactor SaveSessionMenuAction slightly

Extract actual session saving portion into its own function
Add warning if CN file header line missing

Better docs, unit test

IGV-2050
Unify GWASParser and GWASSorter header parsing

GWASSorter couldn't sort all the GWAS headers that IGV could handle loading, there was some code duplication

Add test for sorting GWAS file
Have GWASParser throw an exception when loading an unsorted file

Add test for same

IGV-2051
Modify test setup to not always clear genome cache

Think this is what causes intermittent test failures
Merge remote-tracking branch: upstream/master