chore(package): update bitgo to version 1.6.1
chore(package): update bitgo to version 1.6.1

https://greenkeeper.io/
HappyGenes/HappyGenes,MikeMichel/hackathon-starter,LucienBrule/carpool,ak-zul/hackathon-starter,sahat/hackathon-starter,crystalrood/piggie,dborncamp/shuttles,ahng1996/balloon-fight,sahat/hackathon-starter,colleenDunlap/Lake-Map,ReadingPlus/flog,colleenDunlap/Lake-Map,quazar11/portfolio,dafyddPrys/contingency,awarn/bitcoins-trader,tendermario/binners-project,dafyddPrys/contingency,colleenDunlap/PlayingOnInternet,IsaacHardy/HOCO-FF-APP,colleenDunlap/Lake-Map,CAYdenberg/wikode,ajijohn/brainprinter,pvijeh/node-express-mongo-api,CahalKearney/node-boilerplate,MikeMichel/hackathon-starter,ReadingPlus/flog,EvelynSun/fcc-vote1,JessedeGit/vegtable,crystalrood/piggie,HappyGenes/HappyGenes,shareonbazaar/bazaar,Carlosreyesk/boards-api,wfpc92/cleansuit-backend,mostley/backstab,mrwolfyu/meteo-bbb,OperationSpark/Hackathon-Angel,ahng1996/balloon-fight,awarn/cashier-analytics,bowdenk7/express-typescript-starter,shareonbazaar/bazaar,ajijohn/brainprinter,ak-zul/hackathon-starter,teogenesmoura/SoftwareEng12016,CahalKearney/node-boilerplate,erood/creepy_ghost,ajijohn/brainprinter,niallobrien/hackathon-starter-plus,peterblazejewicz/hackathon-starter,niallobrien/hackathon-starter-plus,awarn/bitcoins-trader,teogenesmoura/SoftwareEng12016,vymarkov/hackathon-starter,quazar11/portfolio,mrwolfyu/meteo-bbb,devneel/spitsomebars,Yixuan-Angela/hackathon-starter,awarn/cashier-analytics,devneel/spitsomebars,JessedeGit/vegtable,stenio123/ai-hackathon,gurneyman/riToolkit,ajijohn/brainprinter,LucienBrule/carpool,hect1c/front-end-test,wfpc92/cleansuit-backend,vymarkov/hackathon-starter,bowdenk7/express-typescript-starter,Yixuan-Angela/hackathon-starter,cwesno/app_for_us,dborncamp/shuttles,hect1c/front-end-test,peterblazejewicz/hackathon-starter,stenio123/ai-hackathon,MikeMichel/hackathon-starter,shareonbazaar/bazaar,IsaacHardy/HOCO-FF-APP,EvelynSun/fcc-vote1,crystalrood/piggie,colleenDunlap/PlayingOnInternet,OperationSpark/Hackathon-Angel,pvijeh/node-express-mongo-api,Carlosreyesk/boards-api,mostley/backstab,tendermario/binners-project,sahat/hackathon-starter,gurneyman/riToolkit,erood/weight_tracker_app,cwesno/app_for_us,ericmreid/pingypong,CAYdenberg/wikode,bowdenk7/express-typescript-starter,colleenDunlap/PlayingOnInternet,erood/creepy_ghost,ericmreid/pingypong,peterblazejewicz/hackathon-starter,erood/weight_tracker_app