new styles and landing page

standarized navbar, created jumbotron for the landing page and
pulled the create location button to the right, as well as adding an
explore link that leads to the listing
added collapsing navbar and burger menu
Added and fixed for jonathan
Merge pull request #5 from Death-Star/layout

Added and fixed for jonathan
create page style
Merge pull request #8 from Death-Star/styles

Styles