updated the DEVELOPERS.markdown to clarify
updated the DEVELOPERS.markdown to clarify

Signed-off-by: Woody Gilk <15b32a2895584d6f8bad9b9e48bbcfc3a0d6b1e2@kohanaphp.com>

icemancast/Kohana-CMS,icemancast/Kohana-CMS,icemancast/Kohana-CMS,icemancast/Kohana-CMS