move field constants to DTO and use field constants for @Field
annotations
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive

* 'master' of https://github.com/mpi2/PhenotypeArchive: (22 commits)
  new impc_images core
  multivalued should all be false as all fields are nomalized and has its own document
  impc images test page works
  Tidy/comment.
  Add titles.
  Tidy; fix order links.
  Use separate css & js files.
  add separate css & js files
  Add ensembl link.
  Fix top order/contact buttons.
  Tidy summary.
  Tidy mutagenesis & lrpcr.
  Tidy.
  raname mutagenesis
  Add lrpcr.
  Add example to mutagenesis.
  Tidy; add landing page for mutagenesis test.
  Tidy; add mutagenesis css.
  first changes for mutagenesis
  Add qc pop ups
  ...