added warning message if user is not signed in they can't create a trail
added hide and shows for the create trail message
added logic for create a trail message upon coming to the homepage already logged in
stylized the error message
added hide and show logic for submit create a trail button
fixed create a trail and cancel button formatting
fixed logout button style to match and position
fixed footer image size
added slight margin top to footer image
Merge pull request #108 from bobolinks-2014/minor-fixes

Minor fixes