Updated to latest selenium firefox driver to hopefully resolve timeouts on BETA that don't occur on DEV.
Reduced graph page test iterations from 20 to 10.
Switched to use the database for procedure stable keys instead of core.
All chart pages changed.
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive.git

Conflicts:
	src/main/java/uk/ac/ebi/phenotype/service/ObservationService.java
Merge branch 'master' into v1.1.2-beta