Merge pull request #296 from bhariharan/unstable20

Guard against NPE (occurs if logout is called when no account exists)
Links for fastclick and other sample apps
Latest shared
Merge from upstream
Merge pull request #297 from wmathurin/unstable20

Latest shared / project update because of new js file (fastclick.js)
Latest shared
Merge pull request #298 from wmathurin/unstable20

Latest shared
Fix ContactExplorer tests