Removed min/max size from container.
Created basic signin route.
Added signin route to header.
Changed to container (fixed) layout.
Added styles specific to the signin view.
Ignored Stylus-generated CSS.
Added draft signin view.
Added client js for signin view.

Includes logic to center logo and form vertically.
Added modal window.  Set up validation.
Implemented BootstrapValidator and AJAX submission.
Added form style to fix margins.
Added temp dummy error message to POST route.
Fixed variable name error.

errorContent vs. content.
Added display style element to better hide modal.
Added modal dismiss attribute.
Merge branch 'issue-8' into develop