Recalculate normals for cached meshes.

Check if mesh is here before adding to meshcollector.

Fix deleting the meshes.
Basic reformatting with astyle
-- additional formatting will be modified, manually, as the need for it is encountered
Start "outlining" what a MinetestApp class might look like
Add MinetestApp::shutdown()
Converted class member functions to camelCase and created protos for new functions
First stage of connect to server done
Add get itemdefs/nodedefs/media code
Init clouds, camera, sky, init GUI, HUD
Input handling
Client events, camera, sound, draw
Fix wield hand getting stuck digging and add debug text back
Fix FPS
Added profiler graph back
Fix FPS issue
Need to work out what went wrong and clean up the copy/paste stuff
Annotate
Various:
Rewrote limitFps()
Limited scope of some variables
Jitter calcs
Reduce scope of objects
Move some stuff out of ::run and minor formatting cleanup
Scope reduction