Add methods *one, exist and validate to Models
Merge branch 'dev/master' into dev/chris/aml
update branch

commit update
Add methods to ArtistController and Artist
Merge branch 'dev/master' into dev/chris/aml
UPDATE
ArtistController v2 not finished
Merge branch 'dev/master' into dev/chris/aml
UPDATE
Continue Artist & ArtistController methods
Merge branch 'dev/master' into dev/chris/aml
Update
Instruments to commit from update dev/master
Complete merge with dev/traits update
Resolve Merge Conflicts Artist and Link
add model + controller CRUD for skill
add messages for skill
Merge branch 'dev/master' into dev/chris/aml
update
fix message
Add Instrument Model
Artist.php commit
add index of genre

+ add hidden propertie on model genre
add index for event type, equipment, skill
Completes LinkController and Link Model