Merge pull request #176 from astanley/WebWorks-2.0

Updating to SDK2.0 : ChildBrowser, PullToRefresh, Swipe-Navigation, Toast, WindowCovers
Update README.md
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Merge pull request #177 from astanley/WebWorks-2.0

Removing 2x samples at Chad's recommendation: Foursquare-OAuth2 and shareCard
removes old build script
First changes to set up for WebWorks 2.0
Updates for Sensors to WebWorks 2.0
Sensor Readme updates for WebWorks 2.0
Merge pull request #178 from astanley/WebWorks-2.0

removing obsolete context menu. moved to community APIs repo
Removing obsolete notificationshub and pimcontacts samples
Merge pull request #180 from timwindsor/obsolete

Removing obsolete notificationshub and pimcontacts samples
Merge pull request #179 from timwindsor/WebWorks-2.0

Sensors updated for Web works 2.0