Update 0.86 release notes
Fix unnesting array<row> and map<row>
Respect includeCoordinator flag when scheduling randomly
[maven-release-plugin] prepare release 0.86
[maven-release-plugin] prepare for next development iteration
Flatten developer guide sections
Implement PrestoConnection.getTransactionIsolation

Resolves #2031
Fix ArrayIndexOutOfBoundsException when parsing Hive timestamp column
Simplify example code for isNull function
Require Java 8
Remove dependency on floatingdecimal library
Change TPCH dates to be DATE type

Fix date handling bugs in query tests, kafka tests, and jdbc connector
Map DATE to TEXT in Cassandra connector
Don't cache instantiated parametric types
Fix equals() and hashCode() on TypeSignature
Fix lookup of parametric types

Looking up a parametric type would fail if the name given was upper
case. Make the lookup case insensitive to match other type lookups.
Add release notes for 0.87
Merge pull request #1 from facebook/master

sync