Update dependencies for Gatsby 0.7
Update dependencies for Gatsby 0.7

ivygong/irc,ivygong/irc,dearwish/gatsby-starter-clean,roslaneshellanoo/gatsby-starter-clean,peterqiu1997/irc,peterqiu1997/irc,InnoD-WebTier/irc,benruehl/gatsby-kruemelkiste,MeganKeesee/personal-site,immato/website,MeganKeesee/personal-site,sarahxy/irc,futuregerald/NetlifyApp,futuregerald/NetlifyApp,TasGuerciMaia/tasguercimaia.github.io,ni-tta/irc,karolklp/slonecznikowe2,sarahxy/irc,byronnewmedia/deanpower,InnoD-WebTier/irc,jmcorona/jmcorona-netlify,kepatopoc/gatsby-starter-clean,ni-tta/irc,jmcorona/jmcorona-netlify,karolklp/slonecznikowe2