Don't build on Java 6 anymore

See #565 and #593
Merge pull request #618 from nicolas-f/orbisgis-h2-master-pr

Orbisgis h2 Explode OrbisGIS Core
Trim whitespace around script
Put the right execution times
Replace execution line by request number
Capitalize OVERALL EXECUTION TIME
Merge pull request #620 from agouge/sql-output

Trim whitespace around script
* Git rid of unnecessary whitespace
* Always display execution times
* Replace (inaccurate) execution line by request number
* Other formatting
Use CTS 1.3.3
Merge pull request #621 from nicolas-f/fix/cts-version-h2

Use CTS 1.3.3
Use h2 release 1.3.176
Merge pull request #622 from nicolas-f/h2-1.3.176

Use h2 release 1.3.176
Fix layout loading
Merge pull request #628 from nicolas-f/layoutfix

Fix layout loading