UIMA-3441
- ui improvements for testing in a new vm
- new preference
- toggle button in toolbar instead of checkbox in view page
- removed unused buildpathContainerInitializer spec in ide



git-svn-id: https://svn.apache.org/repos/asf/uima/ruta/trunk@1564759 13f79535-47bb-0310-9956-ffa450edef68