Add mutations source.
Remove karyotype domain for now.

Need to figure out a way to allow categorical fields to be domainless.
Adjust pct.blast domain to more useful range.
Actually read all patients from expression file.

File had a strange structure for some reason, with two parallel vertical blocks.
Change default RPKM mapping to fill-opacity.
Actually read all patients from mutations file.
Reduce redundancy; increase consistency.
Fix broken mutations /data method.
Merge branch 'master' of github.com:serhalp/mutavis-leucegene-sources

Conflicts:
	mutations/mutations.js