(fix) fixes responsive issues with navbar
Merge pull request #109 from tylerlewis/navbarResponsive

Navbar should be responsive and handle different screen sizes
(feat) Implemented search bar in search page.
Paired with Jeffaroni.
Added sitter cards to search page.  Paired with Jeff V.
Changed travis.yml to test Azure's version of Node and the version we are using locally.
Added sitter cards, with responsive CSS and minor styling.
Not paired with Jeff V.
Styled photo, city and name.
Added styling to sitter rate
Added ratings and ratings paw to sitter cards.
Added more items to stub data to help visualize app.
Added additional styling to search page.
Merge pull request #110 from wilandrade/searchPage

(feat) Search page with sitter cards implemented.
(fix) fixes alignment of header, tagline, input field, and button
(feat) updates submit button
(fix) removes 0.6.20 from travis.yml
Merge pull request #111 from dczarnota/splashStyleFix

Updates splash page alignment, input form, submit button, and css file
adds popup functionality to signup button in navbar
renames signup template for popup and references it correctly in navbar.html
(feat) adds popup to signup and login buttons in navbar
updates master