Querying relationships by the ID was not working.
Moving query tests to the RelationshipQueryTestCase. Added test case for id-based queries.
Merge pull request #172 from pedroigor/master

Fixing id-based queries for relationships. Added more test cases.
[PLINK-223] - Can query relationship by formal attribute.
[PLINK-223] - Added test case for queries using formal attributes of relationships.
[PLINK-223] - Improving test case for relationship queries.
Merge pull request #173 from pedroigor/master

[PLINK-223] - Can query relationship by formal attribute
Removing System.out.
Merge remote-tracking branch 'upstream/master'
Supporting different attribute mappings for different identity types.
Adding a ApplicationAuthorization relationship.
FileIdentityStore was returning null when not providing query parameters.
More tests for the complex schema.
Code cleanup.
Enabled test for the complex schema. Added test for LDAP and JPA configuration.
Small improvements.
Fixing how the partition is set in IdentityType during the creation.
Initial code to support multiple configuration and stores.
Using the partition name instead of the id.