Unit test for CCHMapClusterControllerFindVisibleAnnotation
Split CCHMapClusterControllerFindVisibleAnnotation and CCHMapClusterControllerChooseAnnotationCenter
Merge commit 'ccfaa5d20da507524aafe4fe4f6db7f1e25f4868'

# By aoptionu
# Via aoptionu
* commit 'ccfaa5d20da507524aafe4fe4f6db7f1e25f4868':
  Update README.md