Merge pull request #43 from albenik/master

Using default error_handler related to frontend
Increased minimum symfony/finder version to 2.2.0

This will fix #41.
Merge branch 'master' of github.com:1up-lab/OneupUploaderBundle
Added App directory to testing documentation.
Added documentation headers to ChunkManagerInterface.
Merge branch 'master' of github.com:1up-lab/OneupUploaderBundle
Added PHPDoc block for ErrorHandlerInterface.
Added PHPDoc block for NamerInterface.
Added doc blocks to ReponseInterface
Added doc blocks for StorageInterface.
Removed unused dependencies in tests.
Readded symfony/class-loader for Symfony2.1 tests.
Update frontend_fineuploader.md
Merge pull request #45 from cioddi/patch-1

fineuploader 3.7.1 wants a DOM object as element param
Update custom_validator.md

Reordered sentences.
Do not encourage to work on dev-master.
Added Request object to ValidationEvent

This current implementation (as of v0.9.8) was made without breaking backwards compatibility.
This means constructor's parameter $request of ValidationEvent defaults to null. Should be
fixed in the next major version.

Details in #23.
Added new getRequest method to documentation.
Fixed error when running tests in PHP5.3
Added support for Dropzone uploader.

Controller and Configuration part.
More information at http://www.dropzonejs.com/