Plugman. .jsproj files should be treated as xml if used with <config-file>

<platform name="windows">
    <config-file target="CordovaApp.Phone.jsproj" parent="/*">
        <ItemGroup>
            <SDKReference Include="Microsoft.VCLibs, version=12.0" />
        </ItemGroup>
        <ItemGroup>
            <SDKReference Include="SQLite.WinRT, Version=3.8.2" />
        </ItemGroup>
    </config-file>

...
</platform>

Processing configuration changes for plugins.
Failed to install 'com.msopentech.websql':Error: malformed document. First element should be <plist>
...