ACCUMULO-2767 Move CV term definition to class-level, add definition to user manual.
Merge branch '1.5.2-SNAPSHOT' into 1.6.1-SNAPSHOT

Conflicts:
	core/src/main/java/org/apache/accumulo/core/security/ColumnVisibility.java
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2767 Convert latex to markdown.
ACCUMULO-2722 Remove throws Exception which isn't actually thrown.
Merge branch '1.5.2-SNAPSHOT' into 1.6.1-SNAPSHOT

Conflicts:
	core/src/main/java/org/apache/accumulo/core/util/Merge.java
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2649 Get some more tests for the mapred RangeInputSplit
Merge branch '1.5.2-SNAPSHOT' into 1.6.1-SNAPSHOT

Conflicts:
	core/src/test/java/org/apache/accumulo/core/client/mapred/AccumuloInputFormatTest.java
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2649 Move the new test class to the new mapreduce module
ACCUMULO-2850 Add enhanced memory stress test scripts

New scripts for the memory stress test make it easy to start and stop multiple
reader and writer processes, in a manner similar to continuous ingest. See the
updated README.md for information on how the scripts are used.
Merge branch '1.5.2-SNAPSHOT' into 1.6.1-SNAPSHOT

Conflicts:
	test/system/stress/README.md
Merge branch '1.6.1-SNAPSHOT'