Merge pull request #2 from jessykate/centralized

availability calendar on stay page per room. need to wire up as ajax req...
new method to pull last payment date
Updated emails to use new reservation object
fixed bug in payment_date method
cleaned up a few line problems
Merge branch 'centralized' of https://github.com/jsayles/modernomad into centralized
Merge pull request #3 from jessykate/centralized

availability calendar improvements
Added "Make a Reservation" button
Added imagetags template tag over from Nadine
fixed bug in payment_date if there are no payments
Now a user can view their receipt
added a little margin
Pulled in the text from main embassy network page
added location.announcement
Removed hosted and guest throughout.  Also added location.announcement
Moved static files to new static dir.
removed crufty old settings
added a few required libs
added versions to everything and added pytz too
New production config files