phenotype_only migration
add controller & tests for centres
add validation test to centres
add interface for centres && stop deletions if centre has children
add manage centres link
add production goals
add sub project link to homepage
Merge branch 'master' into production_goals

Conflicts:
	config/routes.rb
unique constraint on consortium/year/month
remove config/database.yml in prep for gitignore
ignore config/database.yml
production goal grid fixes && use production goals in reports
add delete to production goal grid
deleting production goals
Re-generate assets
updates to production goals
Merge remote-tracking branch 'origin/master' into targ_rep_combined

Conflicts:
	app/models/centre.rb
	db/schema.rb
	public/assets/extjs_autodep.js