Fix typoes, include some links, clean up
Fix typoes, include some links, clean up

Actually the dependency may have to be
``` gradle
compile ('de.madcyph3r:materialDrawer:1.0.6@aar') {
    transtivie = true;
}
```
but I'm not too sure. Seems to work fine without that.
aimanbaharum/AdvancedMaterialDrawer,b3stia/AdvancedMaterialDrawer,madcyph3r/AdvancedMaterialDrawer,HKMOpen/AdvancedMaterialDrawer