fix no meal and improve colors in calendar. change sizing of next meal. highlight next meal in green on calendar
emphasize weekends. add triangles to drop downs. reduce empty space in between site header and page content.
hide most next meal info for non-members. also don't show 'click for more info' to non-members
show meal info in popup on click. exits on click anywhere
only open pop-up for meals with info to show
Merge pull request #38 from daf-/calendar

Calendar updates