update README.md with link to issue tracker
update README.md with link to issue tracker

alb-i986/JavaHamcrest,plow/JavaHamcrest,wgpshashank/JavaHamcrest,tomwhoiscontrary/JavaHamcrest,alb-i986/JavaHamcrest,vizewang/JavaHamcrest,plow/JavaHamcrest,jforge/JavaHamcrest,josephw/JavaHamcrest,akruijff/JavaHamcrest,dkomanov/JavaHamcrest,akruijff/JavaHamcrest,tomwhoiscontrary/JavaHamcrest,mmichaelis/JavaHamcrest,rysh/JavaHamcrest,mmichaelis/JavaHamcrest,wgpshashank/JavaHamcrest,dkomanov/JavaHamcrest,mnk/hamcrest,jforge/JavaHamcrest,vizewang/JavaHamcrest,mnk/hamcrest,rysh/JavaHamcrest,josephw/JavaHamcrest