Bugfix: highlighting annotation via API
.addAnnotation method now supports 'opt_replace' param
Lazy loading issues: .setSelection enabled + updating existing annotations
Bugfix: remove highlight via API
Temporary: made ES plugin robust against deprecated versions
Changed the way onload handlers are being attached
Cleanup
Fixed merge conflicts
Minor edits
Bugfix: point-in-polygon hit test
Polygon size calculation
Minor edits
Computation of polygon centroid
Cleanup + issue #41
Fixed issue #39 (CSS z-index issue)
Editing of existing annotations (beta)
Fix: .makeAnnotatable now effective immediately rather than lazy loading
Minor CSS fix
Canvas opacity fade now controlled via CSS
Refactoring