mobileshowcase example for open device functionality (MOBI-831)

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@36980 1de00972-ac04-4911-a46b-06793c8d78d9
invoke open command on device with resource URL relative to page url base (MOBI-831)

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@36981 1de00972-ac04-4911-a46b-06793c8d78d9
ios support for open resource (MOBI-831)

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@36982 1de00972-ac04-4911-a46b-06793c8d78d9