First Time User Experience Hotfix

Added a hotfix targeted at a very difficult first time user experience bug where wads don't show up until you switch tabs on the toolbar. There was an existing hack that was supposed to handle this, but it was broken by android api changes. Most users were capable of working around this, but around 1/5 to 1/10 users were completely stumped and were very frustrated. None of the many attempted hacks worked for refreshing the wad listview, so for now there is a forced relaunch of the app if it is the first time the app has been run. This is a very unfortunate stopgap until a better solution can be implemented.

Also added:
brightmaps and lights pk3 files are installed to the mods folder to hopefully allow increased compatibility with gzdoom mods/wads