typos in contributors, upgraded junit version
typos in contributors, upgraded junit version

bharavi/jPOS,poynt/jPOS,sebastianpacheco/jPOS,juanibdn/jPOS,jpos/jPOS,c0deh4xor/jPOS,c0deh4xor/jPOS,imam-san/jPOS-1,sebastianpacheco/jPOS,poynt/jPOS,alcarraz/jPOS,jpos/jPOS,barspi/jPOS,atancasis/jPOS,atancasis/jPOS,chhil/jPOS,poynt/jPOS,jpos/jPOS,yinheli/jPOS,fayezasar/jPOS,sebastianpacheco/jPOS,yinheli/jPOS,yinheli/jPOS,juanibdn/jPOS,imam-san/jPOS-1,imam-san/jPOS-1,c0deh4xor/jPOS,atancasis/jPOS,barspi/jPOS,alcarraz/jPOS,fayezasar/jPOS,chhil/jPOS,bharavi/jPOS,barspi/jPOS,bharavi/jPOS,juanibdn/jPOS,alcarraz/jPOS