Added camera example.
Removed old code in camera example.
FIX: Fix initialize events
FIX: Fix event order
Updated camera example.
STY: Better comment
Merge pull request #332 from Eric89GXL/fix-init

FIX: Fix initialize events
Merge pull request #319 from rossant/camera-example

New camera example
WIP: Add JFA example
FIX: Filename
FIX: Fix viewport [ci skip]
FIX: Multiple fixes
FIX: Fix organization [ci skip]
FIX: Fix problems [ci skip]
FIX: Cleaner [ci skip]
FIX: Fix examples
FIX: Fix Framebuffer and examples
FIX: abspath
FIX: Py3k