Merge improvements from thehyve master branch - 1.2 alpha proposal

Following up on today's developer call, this is a proposal to merge in the latest thehyve's master branch into the main transmart branch. This pull request creates a lot of commits by many members from the open source community, it's main virtue is having based this on / merged with the recently released tranSMART 1.1 version and everything being tested with and ported to Postgres.

This pull request integrates the commits of a.o. the following branches:
* JNJ_GPL1.0_HOTFIX_MERGE: includes Faceted Search functionality
* ImperialBranch_FacetedSearch: initial effort to port JNJ_GPL1.0_HOTFIX_MERGE to Postgres
* survival_analysis_acgh: support for arrayCGH / copy number variation data and analysis
* genome-browser-plugin-support: support for thehyve's transmart-mydas backend and dalliance-plugin genome browser frontend plugins