Begin to fill in application layout.
Add header partial.
Add footer partial.
Include header, footer and flash messages in application layout.
Add custom CSS styling.
Add placeholder value until users are implemented.
Merge pull request #1 from reynoldsbd3/style-layout

Fill in application layout with a header and footer. Add SCSS using bootstrap to style the pages. Implement display of flash messages.
Merge branch 'development' into users
Merge branch 'development' into users