started working on making tags links to list of notes with the same tag, set ramble destination to be downcased prior to ramble save (need to set that for notes search by destination, still)
Merge branch 'master' of https://github.com/Ramblethru/Ramblethru

Conflicts:
	app/views/rambles/index.html.erb
added downcase of user input for searching notes by location. works fine. added notes search to navigation.
added missing-small.png as placeholder image for when user doesn't have a pic.
Merge branch 'master' of https://github.com/Ramblethru/Ramblethru
added styling to placeholder image on top nav, removed redundant edit bio link on profile page
Merge pull request #98 from gregburton/master

work on small placeholder image, note search by location now working and not case sensitive, some work on tags, a little work on user profile page