OGM-402 Remove test resource filtering from CouchDB pom
OGM-444 Making NEO4J_GRAPHDB_FACTORYCLASS a private property
OGM-444 Fixing some stale JavaDoc links and a property name
OGM-425 Updating reference guide for OGM 4.1.0.Beta1

* Describing annotation-based and programmatic options
* Adding chapter for CouchDB
* Reflecting changes to property names
OGM-425 Incorporating review remarks
OGM-292 Simplifying options package in core and aligning with naming used in datastore modules
OGM-292 Aligning package structure of "map" dialect
OGM-292 Moving StartStoppable to datastore.spi
OGM-292 Moving option and navigation types for document stores to ogm.datastore.document.options.*
OGM-292 Renaming "options.context" into "options.navigation"
OGM-292 Incorporating JavaDoc changes from Emmanuel, getting rid of GlobalOptions et al.
OGM-292 Renaming OptionConfigurer to OptionConfigurator

* Also removing unused log method and compacting newly introduced log ids
OGM-425 Update MongoDB native queries section in the documentation
Minor fix in documentation readme
OGM-425 Updating query chapter
OGM-425 Not mentioning write concern option as it is not implemented yet