fix(EventBindingMixin): pass instance when binding/unbinding
style(src): reduce arguments count
fix(ChildMixin): remove invalid_context and duplicated contextTypes
feat(Map): setOptions when componentDidUpdate
feat(ChildMixin): expose instance getters from prototype
feat(Marker): update options when componentDidUpdate

* don't expose getMap function
chore(webpack.config.js): expose React to global
test(index.js): fix export identifiers
feat(EventBindingMixin): move event names definition to caller
feat(Polygon): add component and client example
fix(Marker): event listeners
fix(Polygon): event listeners
chore(package.json): upgrade sass-loader devDependencies
test(Map): add render spec for style
feat(Polyline): component with example
chore(client): add dragend event example
chore(client): load data from geojson format
feat(Map): configureable id, className and style

BREAKING CHANGE

remove inline style of width and height
chore(client): add style to create 100% height map
test(Map): fix spec