Add empty plugin file
Add gallery plugin

Signed-off-by: Jonathan Weiß <bitbucket@jonathanweiss.net>
Minor changes to improve integration
Fix lint warnings
Improve ARIA support
Listen to touch events
Move test files for plugin into test folder
Fix async tests
Refactor gallery to support HTML content
Improve test HTML code
Incorporate feedback from css-modal author
Merge branch 'master' into jonathanweiss-plugin-gallery

Conflicts:
	build/modal.css
	index.html
	test/modal.css
Add a spinner
Add custom event to fire off resize of current element
Update gallery to resize automatically and hide content while loading
Optimize modal gallery plugin
Add polyfill for CustomEvents

JS CustomEvents need a polyfill to work properly in IE:
https://developer.mozilla.org/en/docs/Web/API/CustomEvent

This commit includes a polyfill
Merge branch 'master' into plugin-gallery
Update gallery to work in IE
Merge branch 'master' into plugin-gallery

Conflicts:
	modal.js