Add closing base tag for IE

IE doesn't like the self closing base tag and doesn't work. Add a conditional
which adds a closing tag in IE.

http://stackoverflow.com/questions/12818827/base-href-not-working-on-ie-alternative
adding thumbnails and titles to widget properties
adding thumbnails and titles to widget properties
finish adding thumbnails and titles to widget properties
adding thumbnails and titles to widget form
adding thumbnails and titles to widget form
adding thumbnails and titles to widget form
finish adding thumbnails and titles to widget form
change thumbnail to thumb and start adding show code
finish adding thumbs and titles
style titles
finish changing title textareas to inputs
Merge branch 'master' into gallerythumbs
Merge branch 'master' into gallerythumbs
switch from document.ready to window.load
add default URLs for fourth image
add to instructions
changes all linkedin settings to be URL instead of username,
this is needed because different types of accounts have different urls for example a person vs a company
adds options to linkedin setup to specify individual or company
Merge branch 'linked-in-80705300' of github.com:G5/g5-widget-garden into linked-in-80705300

Conflicts:
	public/static/components/footer-info/show.html
	public/static/components/social-links/show.html