Add possibility to limit the range of allowed urls for an application

Specifically for pure remote web application it's necessary to only allow them displaying
content from specific urls. For example for a gmail application we want it to only display
pages related to gmail and open all other sites with the system web browser.

Signed-off-by: Simon Busch <morphis@gravedo.de>
Directly show applications with remote entry point

Signed-off-by: Simon Busch <morphis@gravedo.de>
Add user agent overrides for remote applications

Signed-off-by: Simon Busch <morphis@gravedo.de>
Merge pull request #13 from webOS-ports/morphis/work

Morphis/work