MOBI-836 NPE thrown when calling UIComponent.findComponent() with empty string id
- guard against all calls to UIComponent.findComponent() with a check for a null or empty string

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@38315 1de00972-ac04-4911-a46b-06793c8d78d9
using iOS 7 for barcode scanning in place of ZXing (MOBI-754)

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@38320 1de00972-ac04-4911-a46b-06793c8d78d9
removed stripes towards iOS 7 appearance (MOBI-7)

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@38321 1de00972-ac04-4911-a46b-06793c8d78d9
initial host whitelist settings (MOBI-576)

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@38323 1de00972-ac04-4911-a46b-06793c8d78d9