Support for escaping sql in VirtualTable class
GEOT-4430: App schema joining with duplicate ORDER BY causes SQL Server exception
do not activate sql escaping by default
[GEOT-4443] Literal strips CDATA whitespace from the Label
[GEOT-4420] Error reading NTv2 Grid Files inside jar files
[GEOT-4388] Instructions on using DataStore with concurrent J2EE transactions
Merge pull request #186 from GeoffWilliams/VirtualTable_escapeSql_support

Support for escaping sql in VirtualTable class
Merge branch 'master' of https://github.com/geotools/geotools into multidim