Improve GoGrid driver:  - Move extensions to ex prefix  - Rename private methods to include _ prefix  - Add create_node doc string
Improve GoGrid driver:
 - Move extensions to ex prefix
 - Rename private methods to include _ prefix
 - Add create_node doc string

git-svn-id: 353d90d4d8d13dcb4e0402680a9155a727f61a5a@941069 13f79535-47bb-0310-9956-ffa450edef68

sfriesel/libcloud,smaffulli/libcloud,sergiorua/libcloud,wido/libcloud,pquentin/libcloud,pquentin/libcloud,jimbobhickville/libcloud,Itxaka/libcloud,briancurtin/libcloud,dcorbacho/libcloud,niteoweb/libcloud,sergiorua/libcloud,Jc2k/libcloud,wuyuewen/libcloud,apache/libcloud,aleGpereira/libcloud,erjohnso/libcloud,ninefold/libcloud,jimbobhickville/libcloud,Scalr/libcloud,supertom/libcloud,MrBasset/libcloud,ClusterHQ/libcloud,erjohnso/libcloud,techhat/libcloud,wuyuewen/libcloud,pantheon-systems/libcloud,SecurityCompass/libcloud,wuyuewen/libcloud,Kami/libcloud,vongazman/libcloud,kater169/libcloud,niteoweb/libcloud,mtekel/libcloud,Keisuke69/libcloud,Scalr/libcloud,aviweit/libcloud,MrBasset/libcloud,JamesGuthrie/libcloud,cloudControl/libcloud,mgogoulos/libcloud,ClusterHQ/libcloud,Jc2k/libcloud,pquentin/libcloud,schaubl/libcloud,andrewsomething/libcloud,wrigri/libcloud,andrewsomething/libcloud,DimensionDataCBUSydney/libcloud,atsaki/libcloud,cryptickp/libcloud,sfriesel/libcloud,atsaki/libcloud,schaubl/libcloud,cloudControl/libcloud,wrigri/libcloud,briancurtin/libcloud,samuelchong/libcloud,cryptickp/libcloud,StackPointCloud/libcloud,pantheon-systems/libcloud,mgogoulos/libcloud,mtekel/libcloud,vongazman/libcloud,curoverse/libcloud,jerryblakley/libcloud,ZuluPro/libcloud,carletes/libcloud,sfriesel/libcloud,wido/libcloud,vongazman/libcloud,mbrukman/libcloud,iPlantCollaborativeOpenSource/libcloud,watermelo/libcloud,sahildua2305/libcloud,aleGpereira/libcloud,DimensionDataCBUSydney/libcloud,techhat/libcloud,MrBasset/libcloud,lochiiconnectivity/libcloud,ByteInternet/libcloud,wrigri/libcloud,schaubl/libcloud,supertom/libcloud,wido/libcloud,samuelchong/libcloud,StackPointCloud/libcloud,andrewsomething/libcloud,aleGpereira/libcloud,mtekel/libcloud,lochiiconnectivity/libcloud,munkiat/libcloud,watermelo/libcloud,sgammon/libcloud,aviweit/libcloud,atsaki/libcloud,ZuluPro/libcloud,Itxaka/libcloud,Verizon/libcloud,Cloud-Elasticity-Services/as-libcloud,illfelder/libcloud,smaffulli/libcloud,SecurityCompass/libcloud,sahildua2305/libcloud,ZuluPro/libcloud,mbrukman/libcloud,jimbobhickville/libcloud,carletes/libcloud,apache/libcloud,cryptickp/libcloud,JamesGuthrie/libcloud,samuelchong/libcloud,NexusIS/libcloud,Cloud-Elasticity-Services/as-libcloud,iPlantCollaborativeOpenSource/libcloud,thesquelched/libcloud,NexusIS/libcloud,mathspace/libcloud,mathspace/libcloud,smaffulli/libcloud,thesquelched/libcloud,dcorbacho/libcloud,munkiat/libcloud,marcinzaremba/libcloud,dcorbacho/libcloud,niteoweb/libcloud,ninefold/libcloud,sergiorua/libcloud,cloudControl/libcloud,Keisuke69/libcloud,mistio/libcloud,mbrukman/libcloud,illfelder/libcloud,JamesGuthrie/libcloud,erjohnso/libcloud,DimensionDataCBUSydney/libcloud,SecurityCompass/libcloud,mistio/libcloud,illfelder/libcloud,jerryblakley/libcloud,StackPointCloud/libcloud,ByteInternet/libcloud,aviweit/libcloud,pantheon-systems/libcloud,jerryblakley/libcloud,NexusIS/libcloud,marcinzaremba/libcloud,marcinzaremba/libcloud,Itxaka/libcloud,Kami/libcloud,apache/libcloud,carletes/libcloud,Verizon/libcloud,t-tran/libcloud,munkiat/libcloud,thesquelched/libcloud,supertom/libcloud,kater169/libcloud,sahildua2305/libcloud,curoverse/libcloud,Scalr/libcloud,mgogoulos/libcloud,mathspace/libcloud,iPlantCollaborativeOpenSource/libcloud,t-tran/libcloud,techhat/libcloud,briancurtin/libcloud,Kami/libcloud,sgammon/libcloud,curoverse/libcloud,lochiiconnectivity/libcloud,mistio/libcloud,Cloud-Elasticity-Services/as-libcloud,kater169/libcloud,ByteInternet/libcloud,watermelo/libcloud,t-tran/libcloud,Verizon/libcloud