Part 1: move thrift-specific code to new com.dell.service.db.thrift package.
Part 2: Implement CQL API and provide switch in doradus.yaml.
Merge branch 'master' of https://github.com/dell-oss/Doradus into CQLAPI
Fixes for reversed column searches; path separators in test processor.
Add .gitignore for regression-tests.