Make commitInsert final in ReadOnlyConnectorMetadata
Allow creating tables in Parquet format
Add AsyncSemaphore
Throttle Presto to a maximum number of concurrent queries
Update provisio and presto-maven-plugins

They were picking up the wrong version of the takari-lifecycle-plugin.
Use absolute references for document links
Add initial connector documentation

Starting documentation for built-in connectors: sys, jmx and tpch.

This is essential information for new Presto users, but it is currently
only available in a smattering of posts on the Presto Google group. This
adds some basic information into the documentation. Each section needs to
be developed, but this is a good starting point.
Use signature.getName() instead of signature.toString()

Using .toString() for the function name doesn't work if any of the types
includes illegal characters
Add support for parameteric types and functions
Add ARRAY type

* Add ARRAY as a parametric type
* Add subscript operator as a parametric function that operates on any ARRAY type
* Add new syntax for ARRAY constructor (i.e. ARRAY[1,2,3])
Implement CARDINALITY
Add CONTAINS function for arrays
Add map type

* Add subscript operator for maps
* Add map as a new parametric type
Add documentation and release notes for arrays and maps
Improve parametric signature matching