[UIMA-3693][UIMA-3694] skip unneeded work, synch resolve imports, make resource manager and configuration manager fields final (preferable) or volatile

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1584687 13f79535-47bb-0310-9956-ffa450edef68
[UIMA-3722] fix JCasHashMap table expansion / shrinking, and remove faulty optimization

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1584688 13f79535-47bb-0310-9956-ffa450edef68