dont reset the application environment if a variable is already set
dont reset the application environment if a variable is already set

jvliwanag/webmachine,chaslemley/webmachine,joedevivo/webmachine,ReutersMedia/webmachine,agx/webmachine,lemenkov/webmachine,mdaguete/webmachine,srenatus/webmachine,kardan/webmachine,campanja/webmachine,tsloughter/webmachine,zkessin/webmachine,Cy6erBr4in/webmachine,vinoski/webmachine,bipthelin/webmachine,chaslemley/webmachine,NineFX/webmachine,pooya/webmachine,mabrek/webmachine,bipthelin/webmachine,cmeiklejohn/webmachine,tipbit/webmachine,liuhongchao/webmachine,rabbitmq/webmachine,joedevivo/webmachine,vinoski/webmachine,djnym/webmachine,kardan/webmachine,tjarvstrand/webmachine,kbrown/webmachine,kellymclaughlin/webmachine,nparry/webmachine,kellymclaughlin/webmachine,rabbitmq/webmachine,varnit/webmachine,NineFX/webmachine,asynchrony/webmachine,srstrong/webmachine,greyarea/webmachine,basho/webmachine,varnit/webmachine,seth/webmachine,michaelneale/webmachine,mghardy/webmachine,djui/webmachine,campanja/webmachine,greyarea/webmachine,alinpopa/webmachine,amerisoft/webmachine,thijsterlouw/webmachine,thijsterlouw/webmachine,pooya/webmachine,tigertext/webmachine,liuhongchao/webmachine,jvliwanag/webmachine,anish-mp/webmachine,chef/webmachine,georgeye/webmachine,rabbitmq/webmachine,ReutersMedia/webmachine,FetLife/webmachine,rmeritz/webmachine,i11/webmachine,tipbit/webmachine,choptastic/webmachine,michaelneale/webmachine,riak-synrc/webmachine,neeraj9/webmachine,mkorszun/webmachine,tigertext/webmachine,mkorszun/webmachine,Cy6erBr4in/webmachine,mghardy/webmachine,desiderius/webmachine,fictivekin/webmachine,Webmachine/webmachine,srenatus/webmachine,alinpopa/webmachine,yfyf/webmachine,mfoemmel/webmachine,tsloughter/webmachine,seth/webmachine,b/webmachine,cmeiklejohn/webmachine,amerisoft/webmachine,yfyf/webmachine,nyarly/webmachine,davidcoallier/webmachine,georgeye/webmachine,i11/webmachine,bjnortier/webmachine,khellan/webmachine,raycmorgan/webmachine,zkessin/webmachine,mondemand/webmachine,boundary/webmachine,b/webmachine,davidcoallier/webmachine,ulfa/webmachine,beerriot/webmachine,nparry/webmachine,voluntas/webmachine,riak-synrc/webmachine,mdaguete/webmachine,sdebnath/webmachine,voluntas/webmachine,raycmorgan/webmachine,lemenkov/webmachine,asynchrony/webmachine,anish-mp/webmachine,srstrong/webmachine,bjnortier/webmachine,neeraj9/webmachine,mabrek/webmachine,joedevivo/webmachine,khellan/webmachine,mondemand/webmachine,djui/webmachine,riak-synrc/webmachine,nyarly/webmachine,choptastic/webmachine,ulfa/webmachine,agx/webmachine,tjarvstrand/webmachine,beerriot/webmachine,basho/webmachine,samuelrivas/webmachine,voila/webmachine,desiderius/webmachine,Webmachine/webmachine,djnym/webmachine,samuelrivas/webmachine,chef/webmachine,abanca/webmachine,rmeritz/webmachine,abanca/webmachine,kbrown/webmachine,spilgames/webmachine,sdebnath/webmachine,fictivekin/webmachine,FetLife/webmachine,voila/webmachine,mfoemmel/webmachine,boundary/webmachine,spilgames/webmachine