removed rearrange() from Process-Analysis
removed rearrange() from runWorker-Queen
removed rearrange() and throw() from AnalysisJobAdaptor by removing the unused CreateNewJob() method
removed rearrange() from DBAdaptor
removed rearrange() from DBConnection
making Registry code optional (require instead of use everywhere)
cosmetic: not sure if we need this module to be around. The only purpose it currently serves is to muddy the waters when it comes to documentation.
removed Extensions.pm and all internal references to it
moving Ensembl-specific configuration from HiveGeneric_conf into EnsemblGeneric_conf. Make sure you inherit from the right one!