Updated the list of widgets to include those added in the last couple of months.
Also alphabetized the list so widgets are easier to find in a growing list.
Merge pull request #91 from tmcgee/master

Updated and alphabetized the list of included widgets.
Updates to street view and floating mixin.
Merge branch 'master' of https://github.com/DavidSpriggs/ConfigurableViewerJSAPI
Merge remote-tracking branch 'upstream/master'