Typo is fixed.

Signed-off-by: Stanislav Demyanovich <stan@angrybubo.com>
#1: CRoot and IrrlichtDevice are coupled.

Signed-off-by: Stanislav Demyanovich <stan@angrybubo.com>
Sublime Text project files are added into .gitignore.

Signed-off-by: Stanislav Demyanovich <stan@angrybubo.com>