Add save/load functionality for TileCache
Merge pull request #1 from memononen/master

Trying to sync with main repo
Update RecastContour.cpp
Update RecastMesh.cpp
Update RecastMeshDetail.cpp
Update DetourTileCacheBuilder.cpp
Renamed enum to avoid name collisions with "hull" variables
Fixed typos
Update Recast.cpp
Removed unnecessary assignment
Removed unnecessary assignments
Synced Header and CPP variable names
Fixed copy/paste bug
Extra verbosity for var init
Synced Header and CPP variable names
Update DetourProximityGrid.h
Removed unneeded assignment
Leftovers?

"Looks like they are left overs from some code refactoring. --mikko"
Update DetourProximityGrid.h
Update DetourProximityGrid.cpp