Fixed WP8 encryption on iso provider
Merge pull request #55 from PeteGoo/Fix-WP8-Iso-Secure

Fixed WP8 encryption on iso provider  Fixes #54
Attempt to handle older SQLite databases
Version bump to 2.6.7
SQLite3 ships a WP8 package, but WP8 doesn't support P/Invoke. I cannot describe how sad this makes me.
Merge remote-tracking branch 'origin/master' into akavache3

Conflicts:
	Akavache.Mobile/Akavache.Mobile.nuspec
	Akavache.Mobile/Properties/AssemblyInfo.cs
	Akavache.Sqlite3/Akavache.Sqlite3.nuspec
	Akavache.Sqlite3/Akavache.Sqlite3_WP8.csproj
	Akavache.Sqlite3/Properties/AssemblyInfo.cs
	Akavache/Akavache_WP8.csproj
	Akavache/Properties/AssemblyInfo.cs
	Akavache/akavache.nuspec