Merge pull request #70 from Maxikq/windows_phone

URBNG-381 - [WP] Unexpected problem when trying to join another (i.e. more than one) game
+Changed images to content that always copies
+Fix for background in pivot pages
+Title in TaskViev
Merge pull request #72 from PrzemekSzyszka/windows_phone

[WP] Pivot background and images fix
URBNG-400 - [WP] Implement notifications of solution status