add broken test for having
correctly track input columns for having clauses in group by queries
Fix: Changed output of column names in error
messages to subscript notation, so the correct
notation to address columns in sql is reflected
documented that updating minor and major versions
is critical and that the user has to check the
update path.
Fix: Added comments to the logging.yml config file
and reduced the amount of log entries by changing
the loglevel of some log messages
fix plan of non distributed group by queries

and separate the planning process into two methods to reduce if/else shizzle
Merge pull request #1465 from crate/m/non_distributed_group_by_fix

fix plan of non distributed group by queries
catch CollectionAbortedException in LuceneDocCollector
improve error messages on copy to and copy from
Merge pull request #1461 from crate/m/copy_to_dir_exc

M/copy to dir exc
added docs for the user schema feature
added docs about querying user schema tables
add support for using custom schemas
change PartitionName to consider schema names for custom schemas too
correctly handle partitioned table indices and templates
add SCHEMA to non-reserved keywords (according to ISO/IEC 9075)
forbid empty schema on table creation

and streamline exceptions thrown on illegal schema or table name
eliminate concrete doc schema checks

replaced with system schema checks.
also use defined schema at shard expressions instead of hardcoded `doc` one.
upgraded admin-ui to 0.11.0 (including custom schema support)
fixup! review story issues