fixed spelling errors in  NodeJS.md
fixed spelling errors in  NodeJS.md

fannarx/2014-T-514-VEFT,fannarx/2014-T-514-VEFT,reykjavik-university/2014-T-514-VEFT,reykjavik-university/2014-T-514-VEFT,fannarx/2014-T-514-VEFT,reykjavik-university/2014-T-514-VEFT,reykjavik-university/2014-T-514-VEFT