Merge pull request #4 from moonlite/master

Fix typo and add README
Updated license
Removed Modestmaps dependency
Working custom projections
Added description for building Cairo on OS X and Ubuntu
Changed default port to 41462 and switch to longitude first in URL
Some code refactoring and fixed GeoJSON printing
Update README.md
Removed earth radius from transformation
Moved server to examples and converted it to pure JavaScript, also added a simpler example
Set specific versions for dependencies
Removed CoffeeScript server
More info
Fixed typo
Added hash bang to server script
Added author email and files to be published
more readme
Update README.md
Updated API to support image formats PNG and JPEG
Switched node-proj4js to proj4node