Update linux project file
Added Lua stack stuff
Revert to cd1ff37. Have to overthink my lua idea.
Fixed merge conflict
Merge remote-tracking branch 'upstream/dev' into dev
Broken temporary commit - DOESN'T BUILD
Implement sdl timer for tenth-of-a-second events.
Fix vsync fallback error checking.
Merge branch 'dev' of https://github.com/Ponykart/PonyKart into dev
Set GL attributes before creating window.
Moved input related files into separate folder.
Flesh out input API.
Input API nearly finished.
Created EventDelegate class to ease event handling.
Move ponykart.cfg to user folder.
Fix typo (.H -> .h)
Merge remote-tracking branch 'upstream/master' into dev
Update PhysicsMain, fix compile (not link) errors

Add tinyxml
Add DotSceneLoader
Implement PhysicsMain::LoadPhysicsLevel
Minor changes
Fixes the compile errors, but not all the link errors, code will NOT
link.
Implement PhysicsMain::createWorld

Code will NOT link
Change the definition of ContactAdded, bullet works with fptr callbacks
not vectorS or std::functionS.
Add PhysicsMain::createGroundPlane, fix tinyxml

Implement PhysicsMain::createGroundPlane
Add missing files for tinyxml
Code will NOT link
Implement CollisionShapeManager::getShapeFromFile

And add some declarations for OgreToBulletMesh
Implement CollisionShapeManager::serializeShape

Code will NOT link