correcting date of v0.4 changes in CHANGELOG.md
Merge pull request #291 from migmruiz/patch-1

correcting date of v0.4 changes in CHANGELOG.md
Add chunkedLoading option. refs #292
Use chunkedLoading for the 2 big examples
Fix up a performance issue found, when adding markers we were doing a lot of unnecessary checks for duplicate markers.
Remove console.log lines
Update build
instrument time elapsed and report progress
add a simple progress bar to the 50K sample
Add ability to use a function for maxClusterRadius

I find it's necessary to use a different radius at different zoom levels. This patch lets you continue to use a single number for all zoom levels, but also lets you use a function to vary the radius for each zoom level.
Update README.md

added reference to the maxClusterRadius function ability.
fixed tabs and spacing
fixed other style issues
Fix zoom out with a single circle marker. fixes #300
Merge pull request #298 from Schwanksta/patch-1

Add ability to use a function for maxClusterRadius
Little bit of tidy up, refs #298
Update build
Added Bower configuration file
Updated README to include instructions on installing via Bower
Merge pull request #307 from Wildhoney/BOWER

Bower