Merge pull request #5 from erlaroche/nav_bar

Add owners index to routes
Merge pull request #6 from erlaroche/nav_bar

Nav bar
Merge pull request #7 from erlaroche/nav_bar

Remove drop down from nav bar
add button linking to sitter sign up page
add button linking to sitter sign up page
Merge pull request #8 from erlaroche/homepage

Homepage