PHOENIX-1251 Salted queries with range scan become full table scans

Conflicts:
	phoenix-core/src/it/java/org/apache/phoenix/end2end/SkipScanAfterManualSplitIT.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/ParallelIterators.java

Conflicts:
	phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java
	phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java
	phoenix-core/src/it/java/org/apache/phoenix/end2end/index/LocalIndexIT.java
	phoenix-core/src/it/java/org/apache/phoenix/end2end/index/MutableIndexIT.java
	phoenix-core/src/main/java/org/apache/phoenix/cache/ServerCacheClient.java
	phoenix-core/src/main/java/org/apache/phoenix/coprocessor/MetaDataEndpointImpl.java
	phoenix-core/src/main/java/org/apache/phoenix/execute/BaseQueryPlan.java
	phoenix-core/src/main/java/org/apache/phoenix/filter/SkipScanFilter.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/DefaultParallelIteratorRegionSplitter.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/ParallelIteratorRegionSplitterFactory.java
	phoenix-core/src/main/java/org/apache/phoenix/iterate/ParallelIterators.java
	phoenix-core/src/main/java/org/apache/phoenix/query/StatsManagerImpl.java
	phoenix-core/src/main/java/org/apache/phoenix/schema/stat/StatisticsCollector.java
	phoenix-core/src/main/java/org/apache/phoenix/schema/stat/StatisticsTable.java
	phoenix-core/src/main/java/org/apache/phoenix/util/ScanUtil.java
PHOENIX-1251 Salted queries with range scan become full table scans
Merge branch '3.0' of https://git-wip-us.apache.org/repos/asf/phoenix into 3.0