Update build environment (#112)

Fix off-by-one in droppedFiles length

Fixes #155

Add more MIME type examples

Closes #141.

Fixed indentation, tidied up path and filename strings.

Export as UMD module, place generated files in "dist", and use webpack
for the entire build proc...

Tweaked the build environment:

* Upgraded to babel6.
* Removed the "loose" parameter in babel, ...

Use shorter syntax for test task.

Support one or more children.

Fix of #74

Use function instead of lefacy string reference. Added tests. Closes #91

Eslint

Support additional props on root element and file input

- Add support for dynamic props on input element (via inputProps prop)

Add accept documentation in README

fix for disablePreview property not being obeyed. Added tests.

server side rendering fix

fix typo

Decouple reject and active classnames from className

Optional multiple support

Add disablePreview prop to support big files that don't need preview

pass the 'name' attribute to the input if present on the Dropzone

Add support for rejectStyle

Make it work in nwjs environment

Upgrade package for react-0.14.0, use findDOMNode

Prevent undefined class names from being set

Maintain drag-active state while hovering child elements. (closes #75)

Add missing React dependency + babel config

webpack config + allow for using 'activeStyle' independently of 'style'

Use Chrome's ability to see dragged files without breaking other browsers

Implemented accept attribute support for dropzone.

Introduced 2 new callbacks (onDropAccepted and onDropRejected).
Added rejectClassName prop to all...

make input a self closing tag and move position of children

Fix example code.