[UIMA-4116][UIMA-4117] Change default and method name to set omit 0 values.  Change special key names from @xxx to _xxx
[UIMA-4116][UIMA-4117] Change default and method name to set omit 0 values.  Change special key names from @xxx to _xxx

git-svn-id: a5af42c550a078756190f4e79161aff2e348b436@1640936 13f79535-47bb-0310-9956-ffa450edef68

apache/uima-uimaj,apache/uima-uimaj,apache/uima-uimaj,apache/uima-uimaj,apache/uima-uimaj