package.json fixups.
package.json fixups.

Most important is fixing the Git URL; currently the link at https://npmjs.org/package/phantomjs 404s, which made finding this repository rather difficult.

KnotchLabs/phantomjs2,xdissent/phantomjs,waalt/phantomjs,CRHain88/phantomjs2,dugainet/phantomjs,zeevl/phantomjs2,wjordan/phantomjs,PaigeeWorld/phantomjs,egnerfl/phantomjs,tildedave/phantomjs2,Houfeng/phantomjs,digabi/node-phantomjs,basicer/phantomjs2,elbenvenutti/phantomjs2,jonnolen/phantomjs,n9niwas/phantomjs,noblesamurai/phantomjs2,graingert/slimerjs,exchangegroup/phantomjs,M6Web/phantomjs2,gskachkov/phantomjs2,bitjson/slimerjs-edge,dtothefp/phantomjs,adborden/phantomjs,admetricks/phantomjs2,justhamade/phantomjs2,Lochlan/phantomjs2,seeq12/phantomjs2,trinketapp/phantomjs2,tsaikd/phantomjs