added ImageDTO methods
updates to impc_images schema.xml for omero ids and all fields from
experiment core
created an imageService for impcImages
impcimagescontroller nearly working but omero ids not returning
images???
tidied up some code
added imageDTOWrapper
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive.git
param map init put back in app-config.xml
fixed broken test with wrapper returned instead
fixed duplicate ajax loading with search keyword
added 2 other strains for overview graphs as in
https://www.ebi.ac.uk/panda/jira/browse/MPII-781
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive.git

Conflicts:
	src/main/java/uk/ac/ebi/phenotype/service/ObservationService.java
Added phenodigm-dev solrserver to properties. Changed live profile to point to load-balanced phenodigm solr servers, all other profiles point to the non-balanced phenodigm-dev.
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive
fixed bug in getting fq from url when a widget (main facet) is open
after a filter is removed
Refactored strain selection (overview graphs)
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive.git
impcImages pages working with solr url queries
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive.git
Attempt to fix problem with the number of decimals in overview graph
labels