Rename StatisticsUtils to follow conventions and other misc cleanup
Atomically increment table timestamp and fix unit tests

Conflicts:
	phoenix-core/src/it/java/org/apache/phoenix/end2end/TenantSpecificTablesDMLIT.java
	phoenix-core/src/main/java/org/apache/phoenix/coprocessor/MetaDataEndpointImpl.java
	phoenix-core/src/main/java/org/apache/phoenix/coprocessor/MetaDataProtocol.java
	phoenix-core/src/main/java/org/apache/phoenix/query/ConnectionQueryServicesImpl.java
Change tests that set server-side config to NeedsOwnMiniClusterTest
Destroy driver in MutableIndexReplicationIT to prevent other tests from failing

Conflicts:
	phoenix-core/src/test/java/org/apache/phoenix/query/BaseTest.java