Hook up the main javascript uploader function and moved a couple of
files around
Add the layer uploader page back into the repo
Wire up the ability to drop files into the uploader
Merge branch 'uploader-clean' of git://github.com/ischneider/geonode into uploader-clean

Conflicts:
	geonode/upload/templates/upload/layer_upload.html
Merge pull request #607 from iwillig/uploader-clean

Uploader clean