refactored html a bit, and moved link-form show logic into a directive
removed dom manipulation from controller, moved it to a directive
removed some old console logs
started this directive to show/hide the link-form
added some categories styling
added submit button styling and styling for tags error message
latest styles
added url error handling, and disallowing adding tags that aren't in the list. also took out some old unnecessary code.
changed title to something more reasonable. :)
added error handling. took out old form button, and brought in ability to add tags with enter, directly from the add tags area.
took out icons
added in directive to get adding tags on enter to work
Merge branch 'master' of https://github.com/ReadUpCode/readup into newTagStyles

Conflicts:
	public/index.html
Merge pull request #75 from bwest87/newTagStyles

New styling and behavior for adding links. Other styling/behavior fixes.