Remove lies--there is no default.
Remove default reference.
Remove old comment.
Remove default; update example reference.
Move defaults into default_value attributes of parameters.
undo wrong header prefix
Remove default reference; replace with updated example value.
Update example reference path.
check for column header
Update example values.
Merge pull request #109 from tmooney/tighten_lookup_hash_regex

Tighten validation regex for lookup hashes.
Use proper accessor for refseq fasta.

"fasta_file" is where it was imported from and may not still exist.
Fix doc line
change defaults
make regex less rigid
update tests
Merge branch 'master' of github.com:genome/genome

Conflicts:
	lib/perl/Genome/Model/ClinSeq.pm
fix bam_readcount param
Updated class browser cache.
Updated `genome` tab completion.