updated crash to 0.9.6
prepare release 0.37.4
merged 0.37.4 into master
added client tasks for javadoc & source jar creation

also sign all jars and pom before deploying to maven
add support for order by... NULLS { FIRST | LAST }
fix copy from s3 globbing
fix group by clauses which use ordinal numbers to refer columns
do not sign locale installed jars
add support for ORDER BY <ordinal_number>

(was already documented that it is possible to do that)
fix deletion of empty partitioned tables
changed gradle task to upload client jar to bintray
Merge pull request #811 from crate/h/bintray-upload

changed gradle task to upload client jar to bintray
fix template update for partitioned tables
fix schema update on partitioned tables
test case: missing columns in information_schema.columns. caused by 'partitioned by'
several fixes around nested partitioned columns
rework partition, primary key and clustered by properties on TableInfo to ColumnIdent
added missing exception messages
(cherry picked from commit c77376bdcb0621ecbc8415dd1a44e3454151a641)
prepare release 0.37.5
Merge branch '0.37'