Squashed commit of the following:

commit 4ae4b6f620e08bec5e4d810fd8e6aea5e33c4499
Author: Nyx0uf <benjgodard@me.com>
Date:   Wed Dec 17 15:12:58 2014 +0100

    version number

    because it's fun.

commit 4939c428c3fd1ac72990f5e873a6b0a92320eca9
Author: Nyx0uf <benjgodard@me.com>
Date:   Wed Dec 17 15:12:18 2014 +0100

    native bpg support

    I'm done being lazy, so I coded the stuff manually. No more process and file creation, just decode the image in memory and dispay it.

    Also renamed some stuff