update node requirements#72

ranjithwavemaker wants to merge 2 commits intowavemaker:1.x.xwavemaker/wm-reactnative-cli:1.x.xfrom

ranjithwavemaker:@dev-ranjith/update-documentation-noderanjithwavemaker/wm-reactnative-cli:@dev-ranjith/update-documentation-nodeCopy head branch name to clipboard