no Jira, remove unused import

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1625985 13f79535-47bb-0310-9956-ffa450edef68
no Jira - fix small bit of logic to keep json releated stuff together.  Other way logically worked, but was confusing.

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1625988 13f79535-47bb-0310-9956-ffa450edef68
no Jira - unneeded replicated test and never-entered else clause 

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1625992 13f79535-47bb-0310-9956-ffa450edef68
[UIMA-4015] fix logic in edge case

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1626004 13f79535-47bb-0310-9956-ffa450edef68