windows phone :
fixed WebView;
fixed template in DataHubPage;
fixed movecommands.
Merge branch 'master' of https://github.com/zeusapps/UkrNews
windows store:
- added ItemTemplateSelector.cs with two templates;
- removed loading new items using button;

windows phone:
- added ItemTemplateSelector.cs with two templates;
- added assets;
- fixed navigation button in ItemPage;
- changed loadingpage.