Added new sample pages for features, templates, utilities, and widgets.

The following new sample pages have been created:

Widgets
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http://ariatemplates.com/samples/widgets/embed/embedelement/
http://ariatemplates.com/samples/widgets/embed/maps/simplemap/
http://ariatemplates.com/samples/widgets/embed/placeholder/
http://ariatemplates.com/samples/widgets/custom/slider/
http://ariatemplates.com/samples/widgets/custom/imagegallery/
	
Templates
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http://ariatemplates.com/samples/templates/repeater/
http://ariatemplates.com/samples/templates/templatescripts/step1/
http://ariatemplates.com/samples/templates/views/
	
Features
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http://ariatemplates.com/samples/features/widgetsprefill/basicusage/
http://ariatemplates.com/samples/features/widgetsprefill/usecase/
http://ariatemplates.com/samples/features/widgetsautoselect/basicusage/	

Utilities
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http://ariatemplates.com/samples/utilities/focushandling/basicusage/
http://ariatemplates.com/samples/utilities/focushandling/templateapi/
http://ariatemplates.com/samples/utilities/keyboardshortcuts/
http://ariatemplates.com/samples/utilities/processingindicator/
http://ariatemplates.com/samples/utilities/visualfocus/	
http://ariatemplates.com/samples/utilities/draganddrop/
http://ariatemplates.com/samples/utilities/touchandgestureevents/touchstart/
http://ariatemplates.com/samples/utilities/touchandgestureevents/touchmove/
http://ariatemplates.com/samples/utilities/touchandgestureevents/touchend/
http://ariatemplates.com/samples/utilities/touchandgestureevents/tap/
http://ariatemplates.com/samples/utilities/touchandgestureevents/swipe/	
http://ariatemplates.com/samples/utilities/persistence/