Remove speed from Camera (you shoudl handle speed in plugin)
Remove old vertex buffer in SnapshotRender

Signed-off-by: L5D <L5D@L5D-PC>
Merge pull request #518 from Karang/master

Move Widget from api to engine
Merge pull request #519 from Karang/master

Add debug screen
Add a dev console, few optimizations on gui. Solve gui input crashs.
Signed-off-by: Karang <arthur.hennequin@free.fr>