mark as privvate button is toggling share status
mark as private should block notes from showing up on other rambles/discovers/note searches, and also not be counted in note count
Merge pull request #138 from Noahhh/master

Mark as private button should toggling share boolean, and notes with a share == false (private) should not show up where notes are returned.
Merge branch 'master' of https://github.com/Ramblethru/Ramblethru

Conflicts:
	app/views/discovers/show.html.erb