Upgrade JAITools to version 1.3.1
Fixes to address build failure.
improvement for GEOT-4497, remove use of proprietary com.sun package classes
Merge pull request #234 from geosolutions-it/fix-jdk7

improvement for GEOT-4497, remove use of proprietary com.sun package cla...
Merge pull request #232 from brett-walker/upgrade-jaitools

Upgrade jaitools
[GEOT-4486] JDBCDataStore allow synonyms
fixes bug GEOT-4514, handling null geometry objects, forward port of #236
Merge remote-tracking branch 'upstream/master'