Various fixes for test framework and dependencies:

* Accomodate location into which xmvn installs platform tests
* Fix symlinking errors in gatherBundles and paths in prepAllTestBundles
* No longer necessary to supply a separate swtbot-library build file
* Update ant bundle generation for ant 1.10.1

Change-Id: I9d04de947c3b01cf0f3c9c802df0ccb49c46a982
Signed-off-by: Mat Booth <mat.booth@redhat.com>
Reviewed-on: https://git.eclipse.org/r/95752
35 files changed