Disable background image in nav. Instead, insert <img> in header.html
to hold it. Color scheme change. Padding adjustments.
Fixed page-content padding. Fixed nav text color in mobile view.
absolute positioning of .site-nav.
Merge branch 'terencezl-gh-pages' into gh-pages

Conflicts:
	_includes/footer.html
	_sass/_layout.scss
	css/main.scss
Add travel information and new stub pages