Add enum for biological sample group
add experimental group to all VIA and FER data points
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive

# By ckchen-ebi (5) and jwgwarren (2)
# Via ckchen-ebi (1) and jwgwarren (1)
* 'master' of https://github.com/mpi2/PhenotypeArchive:
  added computation HP term for MP page
  added method to MpService.java to get computationally mapped HP terms of MP
  updates for getting mapped hp terms for mp from type:mp_hp
  changed the Collection java package
  added mapped hp terms to mp on search page
  bug fix for procedure names with spaces
  Genes displays one image per parameter and number of image parameters found
short circuit for null alleles