use the internalSolrUrl for the imageService
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive

# By jwgwarren (2) and others
# Via jwgwarren (3) and Matt Pearce (1)
* 'master' of https://github.com/mpi2/PhenotypeArchive:
  image control selection for impc_images does 7 days either side then 30 then 182 then no date restriction if no images returned for controls
  Remove and ignore Sore core.properties and data dirs.
  bug fix where gender mattered on gene page impc images so image not appearing sometimes. Get male and female controls for image picker if available (6 of each)
  Updated disease-help pages.