fixed search in lowercase
Merge branch 'lowercase'
1. lowercase friend search, 2. does not show current user in search results, 3. shows current friends
search show only users who are not already friends
Merge branch 'master' of https://github.com/vtoulemonde/visit_places_app
Merge pull request #10 from coenching/master

Search places and users in lowercase and display only users who are not already friends