Fixed #4
Merge branch 'RDBMSContextToString' of https://github.com/luan-cestari/lightblue-rdbms into luan-cestari-RDBMSContextToString

Conflicts:
	metadata/src/main/java/com/redhat/lightblue/metadata/rdbms/model/RDBMS.java
Merge branch 'luan-cestari-RDBMSContextToString'