Added help section

Conflicts:
	css/main.css
Merge branch 'master' of https://github.com/SquareDay/squareday

Conflicts:
	css/main.css
change to make help section work
fixing repeated code for modal in index
naming consistency in the dropdown Itinerary vs SquareDay fix
closes #9; adds no venues found message
Merge branch 'master' of https://github.com/SquareDay/squareday
Merge branch 'master' into gh-pages