add imageapi_optimize binaries

ImageAPI Optimize advdef, advpng, jpegoptim, jpegtran, pngcrush, &
pngquant binaries.
Revert "add imageapi_optimize binaries"

This reverts commit 2bd577bf9d0b23448bfcde16925086664ff0d24f.
add imageapi_optimize binaries

ImageAPI Optimize advdef, advpng, jpegoptim, jpegtran, pngcrush, &
pngquant binaries to _BACKEND_ITEMS.
Revert "Revert "add imageapi_optimize binaries""

This reverts commit c6e8235c8c1eb0bb31758d6181afba509716b312.
fix IMG binaries for _BACKEND_ITEMS
add IMG info
Make firewall management faster with randomized schedule.
Uninstall css_emimage only on hostmaster upgrade.
Merge pull request #362 from pricejn2/imageapi-optimize-binaries

Add imageapi_optimize binaries #362 by pricejn2
Readme and notes update.
Allow to clear drush cache without directory restrictions.
D6 Colorbox library requirement

D6 colorbox module requires old 1.3.18 library that is no longer hosted
on github
Merge pull request #366 from pricejn2/master

D6 Colorbox library requirement
Simplify colorbox-1.3.18 download.
Simplify colorbox-1.5.13 download.
Panopoly 1.11
Drush: Upgrade command line version 6 to mini-6-14-08-2014
Latest hotfix added on: Fri Aug 15 09:37:04 PDT 2014
Merge branch 'refs/heads/master' into 2.2.x-legacy