Modify GoGridConnection to call parent request method with an empty string for 'data' argument.
Modify GoGridConnection to call parent request method with an empty string for
'data' argument.

Contributed by Bob Thompson, part of LIBCLOUD-362.

atsaki/libcloud,jimbobhickville/libcloud,munkiat/libcloud,JamesGuthrie/libcloud,ByteInternet/libcloud,cryptickp/libcloud,samuelchong/libcloud,Jc2k/libcloud,Jc2k/libcloud,sgammon/libcloud,iPlantCollaborativeOpenSource/libcloud,pquentin/libcloud,illfelder/libcloud,schaubl/libcloud,StackPointCloud/libcloud,smaffulli/libcloud,sfriesel/libcloud,kater169/libcloud,wuyuewen/libcloud,ZuluPro/libcloud,aviweit/libcloud,apache/libcloud,iPlantCollaborativeOpenSource/libcloud,carletes/libcloud,Itxaka/libcloud,SecurityCompass/libcloud,mathspace/libcloud,mbrukman/libcloud,mistio/libcloud,kater169/libcloud,ByteInternet/libcloud,sahildua2305/libcloud,watermelo/libcloud,mathspace/libcloud,sergiorua/libcloud,aleGpereira/libcloud,cloudControl/libcloud,Verizon/libcloud,marcinzaremba/libcloud,mbrukman/libcloud,Cloud-Elasticity-Services/as-libcloud,Itxaka/libcloud,curoverse/libcloud,andrewsomething/libcloud,cloudControl/libcloud,munkiat/libcloud,wuyuewen/libcloud,mistio/libcloud,wido/libcloud,Cloud-Elasticity-Services/as-libcloud,curoverse/libcloud,munkiat/libcloud,Kami/libcloud,briancurtin/libcloud,mbrukman/libcloud,marcinzaremba/libcloud,JamesGuthrie/libcloud,Kami/libcloud,sahildua2305/libcloud,smaffulli/libcloud,kater169/libcloud,jerryblakley/libcloud,watermelo/libcloud,sergiorua/libcloud,jimbobhickville/libcloud,JamesGuthrie/libcloud,supertom/libcloud,cryptickp/libcloud,carletes/libcloud,DimensionDataCBUSydney/libcloud,niteoweb/libcloud,aviweit/libcloud,curoverse/libcloud,Cloud-Elasticity-Services/as-libcloud,apache/libcloud,atsaki/libcloud,t-tran/libcloud,vongazman/libcloud,vongazman/libcloud,ByteInternet/libcloud,pantheon-systems/libcloud,SecurityCompass/libcloud,SecurityCompass/libcloud,ZuluPro/libcloud,thesquelched/libcloud,wuyuewen/libcloud,briancurtin/libcloud,mgogoulos/libcloud,watermelo/libcloud,apache/libcloud,aleGpereira/libcloud,Scalr/libcloud,iPlantCollaborativeOpenSource/libcloud,samuelchong/libcloud,jerryblakley/libcloud,pantheon-systems/libcloud,ClusterHQ/libcloud,wido/libcloud,ClusterHQ/libcloud,mistio/libcloud,sfriesel/libcloud,Verizon/libcloud,NexusIS/libcloud,cryptickp/libcloud,lochiiconnectivity/libcloud,StackPointCloud/libcloud,erjohnso/libcloud,vongazman/libcloud,supertom/libcloud,dcorbacho/libcloud,MrBasset/libcloud,wido/libcloud,dcorbacho/libcloud,sahildua2305/libcloud,aviweit/libcloud,samuelchong/libcloud,ZuluPro/libcloud,wrigri/libcloud,thesquelched/libcloud,sgammon/libcloud,StackPointCloud/libcloud,DimensionDataCBUSydney/libcloud,Scalr/libcloud,niteoweb/libcloud,niteoweb/libcloud,jerryblakley/libcloud,MrBasset/libcloud,sfriesel/libcloud,mgogoulos/libcloud,techhat/libcloud,pantheon-systems/libcloud,Verizon/libcloud,techhat/libcloud,supertom/libcloud,sergiorua/libcloud,wrigri/libcloud,schaubl/libcloud,cloudControl/libcloud,t-tran/libcloud,atsaki/libcloud,DimensionDataCBUSydney/libcloud,andrewsomething/libcloud,jimbobhickville/libcloud,mtekel/libcloud,MrBasset/libcloud,Kami/libcloud,NexusIS/libcloud,illfelder/libcloud,Scalr/libcloud,Itxaka/libcloud,briancurtin/libcloud,mtekel/libcloud,schaubl/libcloud,pquentin/libcloud,illfelder/libcloud,techhat/libcloud,lochiiconnectivity/libcloud,lochiiconnectivity/libcloud,mgogoulos/libcloud,erjohnso/libcloud,t-tran/libcloud,dcorbacho/libcloud,marcinzaremba/libcloud,smaffulli/libcloud,mtekel/libcloud,aleGpereira/libcloud,NexusIS/libcloud,carletes/libcloud,erjohnso/libcloud,mathspace/libcloud,pquentin/libcloud,thesquelched/libcloud,wrigri/libcloud,andrewsomething/libcloud