Add a new exit strategy, calling window.open() before window.close(), as a workaround for LG devices that do not currently allow window.close() if the current window was not opened by a script.
Merge branch 'master' into openclosewindow
Add unit tests for exit strategy. Cleanup.
Merge pull request #25 from fmtvp/openclosewindow

Merge new openclosewindow exit strategy into master