Move Class Path congifuration into a Workspace Job due to prevent the
resource exceptions on a locked workspace.

Reference issue: https://issues.jboss.org/browse/JBIDE-18591

Signed-off-by: vrubezhny <vrubezhny@exadel.com>
Merge pull request #156 from vrubezhny/MoveJSDTClassPathConfigurationToWorkspaceJob

Move Class Path congifuration into a Workspace Job due to prevent the