fixes ZEN-12760: add new addnote api method that does not force indexing

DEMO:
  https://jira.zenoss.com/secure/attachment/18466/fix-for-ZEN-12760.png

port of:
  https://jira.zenoss.com/browse/ZEN-12761
  https://github.com/zenoss/pm-resmgr-4.2.4/pull/568

fixes:
  https://github.com/zenoss/zenoss-zep/pull/28
  https://github.com/zenoss/zenoss-protocols/pull/9
  https://github.com/zenoss/zenoss-prodbin/pull/249