Update version and news for 1.0.12
cqlsh: use libedit when readline is not available, if possible
Patch by Aleksey Yeschenko, reviewed by brandonwilliams for
CASSANDRA-3597
Fix test setup and repair/LCS edge case for CASSANDRA-4799
fix wrong leveled compaction progress calculation; patch by yukim reviewed by jbellis for CASSANDRA-4807
fix get_range_slices with startkey and endtoken specified
patch by Nikolay (nmmm) reviewed by dbrosius for CASSANDRA-4804
add a close() method to CRAR to prevent leaking file descriptors
patch by Pavel Yaskevich; reviewed by Jonathan Ellis for CASSANDRA-4820
Make SerializingCacheProvider the default when absent from the yaml.
Patch by brandonwilliams, reviewed by jbellis for CASSANDRA-4828
fix possible stackoverflow when compacting 1000s of sstables
patch by jbellis; reviewed by yukim for CASSANDRA-4765
allow JdbcDate to compose null Date objects
patch by Sridharan Kuppa; reviewed by jbellis for CASSANDRA-4830
reenable system ks r/w

Patch by Pavel Yaskevich and eevans for CASSANDRA-4664

Conflicts:
	src/java/org/apache/cassandra/service/ClientState.java
fix indexing empty column values
patch by jbellis for CASSANDRA-4832
fix progress counting in wide row iterator
patch by Piotr Koalczkowski; reviewed by jbellis for CASSANDRA-4803
add describe_splits_ex providing improved split size estimate
patch by Piotr Kolaczkowski; reviewed by jbellis for CASSANDRA-4803
missing import
fix potential infinite loop in get_count; patch by yukim reviewed by Tyler Hobbs for CASSANDRA-4833
Fix CompositeType.{get/from}String methods

patch by slebresne; reviewed by jbellis for CASSANDRA-4842
initialize column iteration lazily so filter will be ready when it's first used
patch by slebresne and Piotr Kołaczkowski; reviewed by jbellis for CASSANDRA-4816
mv cqlshrc example out of bin
cqlsh: fix help topics
Patch by Aleksey Yeschenko, reviewed by brandonwilliams for
CASSANDRA-4811
Add log4j reloading to debian init.
Patch by brandonwilliams reviewed by Rick Branson for CASSANDRA-4855