Add a changelog entry for the AppEngine compatibility.
Add a changelog entry for the AppEngine compatibility.

stanhu/haml,nickg33/sass,modulexcite/sass,schneems/sass,ridixcr/sass,askl56/sass,hcatlin/sass,saper/sass,DanteKaris/sass,amatsuda/haml,Anshdesire/sass,Iamronan/sass,srawlins/sass,OrenBochman/sass,oss-practice/sass,Andrey-Pavlov/sass,stewx/sass,dg1dd1ngs/haml,jaroot32/sass,concord-consortium/haml,macressler/haml,Nzaga/sass,haml/haml,schneems/sass,uniba/hamldoc_ja,Andrey-Pavlov/sass,StephanieMak/sass,briangonzalez/sass,dylannnn/sass,Galactix/sass,rammy7219/sass,Ahnita/sass,haml/haml,Iamronan/sass,JuanitoFatas/sass,danielfein/sass,liquidmetal/sass,Ahnita/sass,hcatlin/sass,tangposmarvin/haml,zaru/sass,haml/haml,nickg33/sass,PMArtz92/sass,tangposmarvin/haml,nicklima/sass,ridixcr/sass,nazar-pc/haml,saper/sass,dg1dd1ngs/haml,nicklima/sass,dylannnn/sass,srinivashappy/sass,tangposmarvin/sass,stewx/sass,keithpitty/haml,chriseppstein/haml,Nzaga/sass,srawlins/sass,Galactix/sass,amitsuroliya/sass,danielfein/sass,cmpereirasi/sass,rammy7219/sass,amitsuroliya/sass,lmetla/sass,OrenBochman/sass,PMArtz92/sass,macressler/haml,stanhu/haml,Anshdesire/sass,antonifs/sass,MetaAshley/sass,Industrys/sass,MetaAshley/sass,Industrys/sass,antonifs/sass,lmetla/sass,tenderlove/sass,StephanieMak/sass,HugoRLopes/sass,chriseppstein/haml,14113/sass,HugoRLopes/sass,xzyfer/sass,DanteKaris/sass,modulexcite/sass,liquidmetal/sass,askl56/sass,xzyfer/sass,nazar-pc/haml,haml/haml,keithpitty/haml,sideci-sample/sideci-sample-haml,chriseppstein/sass,purcell/haml,JuanitoFatas/sass,cmpereirasi/sass,tangposmarvin/sass,jaroot32/sass,srinivashappy/sass,baiyanghese/sass,zaru/sass