Exceptions refactoring
Domain model was updated. Term has namespace link.
Merge branch 'master' of https://github.com/cytoscape/ndex-java

Conflicts:
	src/main/java/org/ndexbio/rest/command/GetNetworkByEdgesGetCommand.java
	src/main/java/org/ndexbio/rest/command/GetNetworkByNodesGetCommand.java
	src/main/java/org/ndexbio/rest/command/GetTaskGetCommand.java
Merge branch 'master' of https://github.com/cytoscape/ndex-java

Conflicts:
	src/main/java/org/ndexbio/rest/command/GetNetworkByEdgesGetCommand.java
	src/main/java/org/ndexbio/rest/command/GetNetworkByNodesGetCommand.java
	src/main/java/org/ndexbio/rest/command/GetTaskGetCommand.java
Merge branch 'master' into develop
Find network neighbors query draft was implemented.
Fix of searchNeighborhoodByTerm issues.
Observations of searchNeighborhoodByTerm issues were fixed.
Filter by predicates query was implemented.
Merge remote-tracking branch 'origin/develop' into feature/subnetwork-generation
Finished "load dependencies of domain object".
Network creation: import of relationships among edges, citations and supports