Add the iOS smart banner meta tag
Created separate templates for the help/welcome messages
Reworked how we display messages on the Today IndexView

Now we can list many messages and they will all display 1 at a time.
Added the android and ios badges and styled the help boxes for them
Added comments to explain the confusing series of handlebars unless's
Added iPad to the UA's we match when linking to the app stores
Merge pull request #96 from ox-it/welcome-messages

Welcome messages