fix Issue #312 + gif optimize improvement#315

Merged

aclark4life merged 3 commits intopython-pillow:masterfrom d-schmidt:master

Aug 22, 2013

+64-66

Commits on Aug 2, 2013

fix Issue #312
d-schmidt
committed

Commits on Aug 5, 2013

reorganized gif optimize to work with palette parameter
d-schmidt
committed

Commits on Aug 6, 2013

replace custom search with dict in gif optimize
d-schmidt
committed