Allow executing CREATE statement multiple times

patch by slebresne; reviewed by jbellis for CASSANDRA-6471
Merge branch 'cassandra-1.2' into cassandra-2.0

Conflicts:
	CHANGES.txt
Fix infinite loop when paging queries with IN

patch by slebresne; reviewed by iamaleksey for CASSANDRA-6464
Don't send confusing info on timeouts

patch by slebresne; reviewed by jbellis for CASSANDRA-6491
Merge branch 'cassandra-1.2' into cassandra-2.0

Conflicts:
	CHANGES.txt
	src/java/org/apache/cassandra/service/ReadCallback.java
	src/java/org/apache/cassandra/service/StorageProxy.java
Update docs, bump CQL3 version, correct CHANGES.txt for CASSANDRA-6395
add client encryption support to sstableloader
patch by Sam Tunnicliffe; reviewed by Mikhail Stepura for CASSANDRA-6378
add SSLTransportFactory.java
Don't drop local mutations without a trace

patch by Aleksey Yeschenko; reviewed by Jonathan Ellis for
CASSANDRA-6510
Merge branch 'cassandra-1.2' into cassandra-2.0

Conflicts:
	CHANGES.txt
Don't allow null max_hint_window_in_ms
patch by Nate McCall; reviewed by jbellis for CASSANDRA-6419
merge from 1.2
Fix potential assertion error in AbstractQueryPager.discardFirst

patch by slebresne; reviewed by iamaleksey for CASSANDRA-6447
Fix tests
Fix typo
Merge branch 'cassandra-1.2' into cassandra-2.0

Conflicts:
	src/java/org/apache/cassandra/cql3/QueryProcessor.java
	src/java/org/apache/cassandra/cql3/statements/BatchStatement.java
	src/java/org/apache/cassandra/cql3/statements/CreateTableStatement.java
	src/java/org/apache/cassandra/cql3/statements/DeleteStatement.java
	src/java/org/apache/cassandra/cql3/statements/ParsedStatement.java
	src/java/org/apache/cassandra/cql3/statements/SelectStatement.java
	src/java/org/apache/cassandra/cql3/statements/UpdateStatement.java
OCD follow up
Merge branch 'cassandra-1.2' into cassandra-2.0

Conflicts:
	src/java/org/apache/cassandra/cql3/QueryProcessor.java
add IRE for invalid CF supplied to get_count
patch by Lyuben Todorov; reviewed by jbellis for CASSANDRA-5701
add StorageService.stopDaemon
patch by Lyuben Todorov; reviewed by Tyler Hobbs for CASSANDRA-4268