1. change (x%,y%) to use circle center.
Merge remote-tracking branch 'upstream/master'
Merge pull request #31 from topcircler/master

Fix (x%,y%) to use circle center position.
Return level field in getAnnoDetail service.
Merge pull request #33 from topcircler/master

Return level field in getAnnoDetail service.
Merge remote-tracking branch 'upstream/master'