Merge pull request #34 from iand/master

Support OS X build
Updated README

Signed-off-by: Jacky Boen <aqiank@gmail.com>
Updated README

Signed-off-by: Jacky Boen <aqiank@gmail.com>
Removed unnecessary Itob() function

Signed-off-by: Jacky Boen <aqiank@gmail.com>
Removed more unnecessary helpers

Signed-off-by: Jacky Boen <aqiank@gmail.com>
Formatted and cleaned large portion of code

Signed-off-by: Jacky Boen <aqiank@gmail.com>
Updated README

Signed-off-by: Jacky Boen <aqiank@gmail.com>
Update sdl_image.go
Update sdl_ttf.go
Merge pull request #36 from krux02/master

import fixed
Updated import names and urls

Signed-off-by: Jacky Boen <aqiank@gmail.com>