add gmt edge-r classic command for diff. exp. analysis
added chimerascan filter-output and intersect-sv to clinseq
bugfix:  move is_x queries to subclasses
Ignore tabix files since they diff every time.
Merge branch 'tbi' into gb_master
update edge-r classic to include class predictions
update edge-r classic docs

include description of output format
don't use is_many for groups property

not sure if is_many always guarantees that order is preserved
add a few comments to edge-r test
row names now get a (blank) column header in edgeR output
forgot to add test case for edgeR ...
add example output to edge-r help
more doc formatting for edge-r classic
Ignore files with BAM paths in them.
Remove exit()s from error conditions.
doc/formatting updates for edge-r