Added two tests to highlight bug #2788
configure desktop Java install, making JNI library name correct, and making it fat when possible
Reenabled second test
fix issue 2788
fixing eclipse import errors that can also be fixed via 'Fix Project Properties' menu
Merge pull request #471 from apavlenko:jar_install
Merge pull request #473 from prclibo:2.4
Merge pull request #470 from kirill-kornyakov:bug_2788_testing_add_method_for_column
Merge pull request #476 from apavlenko:eclipse_import_fix