[CDA-99] Connections type olap4j.defaultolap4j
	- DataAccessEnums now assigns an array of connection types instead of a single one ( to encompass 'olap4j' and 'olap4j.defaultolap4j' for OLAP4J enum connection type )
	- added unit test accordingly
Merge pull request #76 from pedrofvteixeira/CDA-99

[CDA-99] Connections type olap4j.defaultolap4j