build script: compress all images in subfolders, too. thx calvin rien.
build script: compress all images in subfolders, too. thx calvin rien.

jacquesdeklerk/jacquesdeklerk,lhagan/PlainReader,h5bp/ant-build-script,lhagan/PlainReader,derekandtereza/derekandtereza.github.com,scraperwiki/urchin-website,thetrickster/foundation-bc,firnny29-cts/helloworld1,seanoshea/krissyoshea,lhagan/PlainReader,derekandtereza/derekandtereza.github.com,fady/ant-build-script,jacquesdeklerk/jacquesdeklerk,lhagan/PlainReader,thetrickster/foundation-bc,seanoshea/krissyoshea,thetrickster/foundation-bc,thetrickster/foundation-bc,jacquesdeklerk/jacquesdeklerk,scraperwiki/urchin-website,lhagan/PlainReader,scraperwiki/urchin-website