Updated the serialization I/O.  Need to run the tests once the framework is completed.
Added serialization I/O for deletes
Temp graph.  Need to test once configuration is done.
Removed scheduler
Merge branch 'two-dot-o' into hystrix-integration

Conflicts:
	stack/corepersistence/collection/src/main/java/org/apache/usergrid/persistence/collection/guice/CollectionModule.java
	stack/corepersistence/collection/src/main/java/org/apache/usergrid/persistence/collection/rx/CassandraThreadScheduler.java
	stack/corepersistence/collection/src/test/java/org/apache/usergrid/persistence/collection/guice/TestCollectionModule.java
	stack/corepersistence/collection/src/test/java/org/apache/usergrid/persistence/collection/rx/CassandraThreadSchedulerTest.java
Merge branch 'two-dot-o' into USERGRID-2771-graph-edges

Conflicts:
	stack/corepersistence/graph/src/main/java/org/apache/usergrid/persistence/graph/serialization/impl/EdgeSerializationImpl.java
Updated graph serialization.  Need to finish tests.