Add missing sources and genes URL includes

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Include gene templates via MANIFEST.in

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Remove missing form field from gene set template

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Merge branch 'master' into vcf_export_dev

Conflicts:
	varify/conf/urls.py

Removed manual registration of VCF exporter URL