Support new UDT serialization format for CQLSH

patch by Mikhail Stepura; reviewed by Tyler Hobbs for CASSANDRA-7261
Add tab-completion to debian nodetool packaging
patch by Cyril Scetbon; reviewed by mshuler for CASSANDRA-6421
Fix potential ClassCastException in HintedHandoffManager

patch by slebresne; reviewed by benedict for CASSANDRA-7284
Backport first patch of 6975
Merge commit '362e54803434053fea25f874f64c69bdc1db78da' into cassandra-2.1
Use prepared statement internally

patch by slebresne; reviewed by mishail for CASSANDRA-6975
Work around initialization problem
Fix writing the checksum before closing the sstable.

Patch by Sankalp Kohli, reviewed by Benedict for CASSANDRA-7285
Support multi-row selects within a partition using IN

Patch by Tyler Hobbs; review by Sylvain Lebresne for CASSANDRA-6875
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	CHANGES.txt
	src/java/org/apache/cassandra/cql3/Cql.g
	src/java/org/apache/cassandra/cql3/Lists.java
	src/java/org/apache/cassandra/cql3/QueryProcessor.java
	src/java/org/apache/cassandra/cql3/Relation.java
	src/java/org/apache/cassandra/cql3/ResultSet.java
	src/java/org/apache/cassandra/cql3/statements/BatchStatement.java
	src/java/org/apache/cassandra/cql3/statements/ModificationStatement.java
	src/java/org/apache/cassandra/cql3/statements/Restriction.java
	src/java/org/apache/cassandra/cql3/statements/SelectStatement.java
Fix broken paging state with prepared statement

patch by slebresne; reviewed by thobbs for CASSANDRA-7120
Remove bogus validation post-6855
Fix IllegalArgumentException in CqlStorage

patch by slebresne; reviewed by driftx for CASSANDRA-7287
Bump CQL version to 3.1.7, update CQL docs

Follow up for CASSANDRA-6875
Merge branch 'cassandra-2.0' into cassandra-2.1
Support nul/non-existant fields in UDT

patch by slebresne; reviewed by iamaleskey for CASSANDRA-7206
Correctly name FileCache metrics.

Patch by Nick Bailey, reviewed by brandonwilliams for CASSANDRA-7294
Merge branch 'cassandra-2.0' into cassandra-2.1
Bump cqlsh default CQL version to 3.1.7

Follow up for CASSANDRA-6875