add pdf file reader and form fields for uploads
add helper for processing pdf and text uploads
add warden and attempt integration tests
add features tests for uploading and logging in
Merge branch 'file_upload' of github.com:purple-martins-2013/storyward into file_upload

Conflicts:
	.DS_Store
	Gemfile
	Gemfile.lock
	app/helpers/node_helper.rb
	app/views/stories/_form.html.erb
remove dependency on saving file when uploading
Merge branch 'file_upload' of github.com:purple-martins-2013/storyward into file_upload
resolve conflict, merge master into file_upload
Merge pull request #54 from purple-martins-2013/file_upload

File upload without local storage