add ordering for supercontig as well as chromosome
Implemented smith-waterman context search.
Merge branch 'master' of https://github.com/ncgr/lis_gene_families into drupal_isu_20140903

Conflicts:
	django/chadotest/chado/urls.py
Fixed ordering of reversed tracks.
Context viewer now uses literal object for optional parameters.
Context legend now uses literal object for optional parameters.
All focus family members are now highlighted in context viewer.
Merge branch 'master' of https://github.com/ncgr/lis_gene_families into drupal_isu_20140903
changes to use gene name in urls for search for similar contexts feature;
mostly only done for the versions of code that are currently visible through the
interface; looks like there may be some cleanup possible on obsoleted versions
of files and or methods?