You configuration needs to be updated, like so:
<glimpse defaultRuntimePolicy="On" endpointBaseUri="~/Glimpse.axd">
<inspectors>
<ignoredTypes>
<add type="Glimpse.Mvc.Inspector.DependencyInjectionInspector, Glimpse.Mvc4" />
</ignoredTypes>
</inspectors>
<runtimePolicies>
<ignoredTypes>
<add type="Glimpse.AspNet.Policy.LocalPolicy, Glimpse.AspNet"/>
</ignoredTypes>
</runtimePolicies>
</glimpse>
Runtime policies and inspectors are two different things and are configured in their own nodes.