Hack up a fix for egg(glob) to work in new CWD != BUILD dir world.
Hack up a fix for egg(glob) to work in new CWD != BUILD dir world.

(sapling split of bf2c4211197e5092683c8df17c393db6b1678298)
UnrememberMe/pants,kslundberg/pants,slyphon/pants,lahosken/pants,qma/pants,jessrosenfield/pants,lahosken/pants,TansyArron/pants,laurentgo/pants,pgroudas/pants,kslundberg/pants,sid-kap/pants,landism/pants,Gabriel439/pants,peiyuwang/pants,twitter/pants,di0spyr0s/pants,kslundberg/pants,landism/pants,wisechengyi/pants,benjyw/pants,qma/pants,ericzundel/pants,scode/pants,benjyw/pants,foursquare/pants,15Dkatz/pants,tdyas/pants,baroquebobcat/pants,dbentley/pants,di0spyr0s/pants,fkorotkov/pants,tejal29/pants,kwlzn/pants,twitter/pants,jtrobec/pants,wisechengyi/pants,square/pants,ericzundel/pants,15Dkatz/pants,scode/pants,mateor/pants,ericzundel/pants,pantsbuild/pants,foursquare/pants,dturner-tw/pants,jessrosenfield/pants,areitz/pants,wisechengyi/pants,jtrobec/pants,fkorotkov/pants,digwanderlust/pants,ity/pants,pantsbuild/pants,pombredanne/pants,digwanderlust/pants,sameerparekh/pants,cevaris/pants,dgomez10/xanon,15Dkatz/pants,ity/pants,foursquare/pants,qma/pants,cevaris/pants,twitter/pants,scode/pants,jtrobec/pants,di0spyr0s/pants,pantsbuild/pants,wisechengyi/pants,mateor/pants,UnrememberMe/pants,square/pants,qma/pants,foursquare/pants,twitter/pants,landism/pants,foursquare/pants,fkorotkov/pants,dgomez10/xanon,dgomez10/xanon,megaserg/pants,peiyuwang/pants,foursquare/pants,peiyuwang/pants,tdyas/pants,sameerparekh/pants,pgroudas/pants,gmalmquist/pants,slyphon/pants,megaserg/pants,qma/pants,15Dkatz/pants,manasapte/pants,gmalmquist/pants,UnrememberMe/pants,jsirois/pants,ericzundel/pants,dturner-tw/pants,kslundberg/pants,sid-kap/pants,tdyas/pants,TansyArron/pants,Gabriel439/pants,ity/pants,wisechengyi/pants,mateor/pants,di0spyr0s/pants,peiyuwang/pants,tdyas/pants,ericzundel/pants,TansyArron/pants,jsirois/pants,landism/pants,ity/pants,sid-kap/pants,wisechengyi/pants,slyphon/pants,benjyw/pants,megaserg/pants,kwlzn/pants,foursquare/pants,dgomez10/xanon,tejal29/pants,dbentley/pants,scode/pants,scode/pants,jsirois/pants,dturner-tw/pants,jessrosenfield/pants,kwlzn/pants,areitz/pants,sid-kap/pants,benjyw/pants,UnrememberMe/pants,sameerparekh/pants,pantsbuild/pants,gmalmquist/pants,manasapte/pants,jtrobec/pants,sameerparekh/pants,Gabriel439/pants,baroquebobcat/pants,slyphon/pants,di0spyr0s/pants,foursquare/pants,megaserg/pants,twitter/pants,slyphon/pants,dbentley/pants,cevaris/pants,tdyas/pants,dturner-tw/pants,mateor/pants,dgomez10/xanon,sid-kap/pants,square/pants,fkorotkov/pants,baroquebobcat/pants,pgroudas/pants,gmalmquist/pants,pombredanne/pants,qma/pants,sameerparekh/pants,UnrememberMe/pants,dbentley/pants,sameerparekh/pants,peiyuwang/pants,tdyas/pants,dgomez10/xanon,jessrosenfield/pants,sid-kap/pants,baroquebobcat/pants,laurentgo/pants,tdyas/pants,megaserg/pants,manasapte/pants,areitz/pants,dbentley/pants,gmalmquist/pants,manasapte/pants,baroquebobcat/pants,ericzundel/pants,gmalmquist/pants,cevaris/pants,kwlzn/pants,pombredanne/pants,digwanderlust/pants,twitter/pants,TansyArron/pants,pgroudas/pants,ericzundel/pants,digwanderlust/pants,scode/pants,baroquebobcat/pants,jtrobec/pants,mateor/pants,baroquebobcat/pants,cevaris/pants,lahosken/pants,peiyuwang/pants,wisechengyi/pants,cevaris/pants,laurentgo/pants,pombredanne/pants,dgomez10/xanon,ity/pants,manasapte/pants,dturner-tw/pants,laurentgo/pants,15Dkatz/pants,slyphon/pants,di0spyr0s/pants,qma/pants,TansyArron/pants,TansyArron/pants,kslundberg/pants,UnrememberMe/pants,benjyw/pants,pgroudas/pants,kslundberg/pants,twitter/pants,dturner-tw/pants,fkorotkov/pants,mateor/pants,Gabriel439/pants,pgroudas/pants,laurentgo/pants,sameerparekh/pants,Gabriel439/pants,pantsbuild/pants,dgomez10/xanon,UnrememberMe/pants,landism/pants,benjyw/pants,tdyas/pants,pantsbuild/pants,lahosken/pants,ericzundel/pants,megaserg/pants,pombredanne/pants,gmalmquist/pants,foursquare/pants,wisechengyi/pants,slyphon/pants,kslundberg/pants,twitter/pants,kwlzn/pants,pombredanne/pants,peiyuwang/pants,lahosken/pants,pombredanne/pants,tdyas/pants,tejal29/pants,manasapte/pants,mateor/pants,15Dkatz/pants,kwlzn/pants,digwanderlust/pants,dbentley/pants,15Dkatz/pants,baroquebobcat/pants,scode/pants,areitz/pants,manasapte/pants,lahosken/pants,areitz/pants,jessrosenfield/pants,landism/pants,wisechengyi/pants,dbentley/pants,sid-kap/pants,jtrobec/pants,dgomez10/xanon,15Dkatz/pants,square/pants,tejal29/pants,fkorotkov/pants,benjyw/pants,fkorotkov/pants,twitter/pants,lahosken/pants,kwlzn/pants,dgomez10/xanon,Gabriel439/pants,lahosken/pants,Gabriel439/pants,areitz/pants,digwanderlust/pants,cevaris/pants,di0spyr0s/pants,UnrememberMe/pants,baroquebobcat/pants,ity/pants,laurentgo/pants,fkorotkov/pants,pantsbuild/pants,jtrobec/pants,jessrosenfield/pants,megaserg/pants,dturner-tw/pants,landism/pants,peiyuwang/pants,ity/pants,UnrememberMe/pants,dgomez10/xanon,tejal29/pants,areitz/pants,mateor/pants,jessrosenfield/pants,landism/pants,TansyArron/pants