Edited the content/bikasetup.py schema for readability

I prefer this format, it's used in content/batch as well, and
it makes the file easier to edit and read.
LIMS-1391: Add IdentifierTypes (from bika.health) to bika.lims
fix icon location (health->lims)
IdentifierType
Finish LIMS-1391 IHaveIdentifiers
Fix 'Identifiers' KeywordIndex

Indexes Title and Identifier for each additional identifier for all
objects in IBikaCatalog and IBikaSetupCatalog
Remove BikaSetupCatalog and BikaCatalog objects from portal_catlaog