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
a few more style updates to forms
merge conflict in application.html.erb
Merge pull request #99 from dheckman/master

a few more style updates to forms
first pass at styling note search page
Merge pull request #100 from dheckman/master

first pass at styling note search page