Merged the latest changes from trunk, added behavior for view-specific AppBar commands.


git-svn-id: svn://localhost/source_code/branches/winrt-samples@195 387115cb-d1c5-2345-8ecf-c585226936f1


git-svn-id: svn://localhost/source_code/branches/winrt-samples@196 387115cb-d1c5-2345-8ecf-c585226936f1
Updated docs

git-svn-id: svn://localhost/source_code/branches/winrt-samples@197 387115cb-d1c5-2345-8ecf-c585226936f1


git-svn-id: svn://localhost/source_code/branches/winrt-samples@201 387115cb-d1c5-2345-8ecf-c585226936f1
Integrated Flyout control (Callisto), added flyout command behavior.


git-svn-id: svn://localhost/source_code/branches/winrt-samples@202 387115cb-d1c5-2345-8ecf-c585226936f1


git-svn-id: svn://localhost/source_code/branches/winrt-samples@203 387115cb-d1c5-2345-8ecf-c585226936f1