Tidy up ugly icon-swap code.
jshint fixes.
Merge pull request #1754 from danzel/master

Fix SetIcon with DivIcons
prettify marker svg source
add layers icon svg source
fix 1px popup anchor shift
update build
removeEventListener with same context used for adding it
Merge pull request #1760 from yohanboniface/markerdrag_off

remove EventListener with same context used for adding it
Toggle the display of a marker s popup on click
pass through coordsToLatLng when processing GeometryCollection
Merge pull request #1762 from sheppard/master

pass through coordsToLatLng when processing GeometryCollection
Merge pull request #1761 from popox/marker-togglePopup

Nice to have feature - Toggle the display of a marker's popup on click
Add parameter to invalidateSize for changing the center.
Moving brace to correct position.
Merge pull request #1766 from jacobtoye/invalidate-size-without-changing-center

Add parameter to invalidateSize for changing the center.
update changelog with last month improvements
update build
group API bugfixes in changelog
Fix icon.js documentation

ShadowUrl was being referred to as a point.