Tested various designs and implementations of property/value storage against networks and their subelements
Created new interface IMetadataObject for storing metadata and metaterm properties
INetwork, ICitation, IEdge, INamespace, INode, ISupport, ITerm now inherit from IMetadataObject
Update object model to include metadata and metaterm properties
Renamed the property Title to Name on the Network class
Moved Copyright, Format, Source, and Version from top-level properties to metadata
Updated the unit test files for metadata
Updated the web UI and JavaScript to handle metadata
Added advanced search parsing to findNetworks
The findNetworks method now searches against metadata and metaterm properties
Merge branch 'origin/develop'
Added advanced search parsing to findNetworks
The findNetworks method now searches against metadata and metaterm properties
Added additional unit tests to find networks using metadata
Added CRUD operations of metadata to Network service
Added CRUD operations of metaterms to Network service
Tested various designs and implementations of property/value storage against networks and their subelements
Created new interface IMetadataObject for storing metadata and metaterm properties
INetwork, ICitation, IEdge, INamespace, INode, ISupport, ITerm now inherit from IMetadataObject
Update object model to include metadata and metaterm properties
Renamed the property Title to Name on the Network class
Moved Copyright, Format, Source, and Version from top-level properties to metadata
Updated the unit test files for metadata
Updated the web UI and JavaScript to handle metadata
Added advanced search parsing to findNetworks
The findNetworks method now searches against metadata and metaterm properties
Added additional unit tests to find networks using metadata
Added CRUD operations of metadata to Network service
Added CRUD operations of metaterms to Network service

Conflicts:
	src/main/java/org/ndexbio/orientdb/persistence/ExcelNetworkService.java
	src/main/java/org/ndexbio/orientdb/persistence/NDExMemoryPersistence.java