Update package.json to use build/versionInfo.js

Maybe fixes #2070

TBR @arv

Review URL: https://api.github.com/repos/google/traceur-compiler/issues/2071

Closes #2071, closes #2070.

package.json

@@ -39,12 +39,12 @@
     "just-publish": "npm publish # workaround https://github.com/npm/npm/issues/10074 ",
     "postjust-publish": "npm run push-published && npm run push-gh-pages",
     "/** Update Version Number **/": "After publishing version N, update the version number and commit the result",
-    "store-semver": "node build/printSemver.js > build/npm-version-number",
+    "store-semver": "node build/versionInfo.js -v > build/npm-version-number",
     "update-semver": "npm run store-semver && git diff --quiet -- package.json && node build/incrementSemver.js",
     "precommit-published": "npm run update-semver && npm run rebuild",
     "commit-published": "cat build/npm-version-number | xargs -I VERSION git commit -a -m \"VERSION\"",
     "tag-published": "cat build/npm-version-number | xargs -I VERSION git tag -a VERSION -m \"Tagged version VERSION \"",
-    "pre-push-published": "npm run commit-published && npm run tag-published",
+    "prepush-published": "npm run commit-published && npm run tag-published",
     "push-published": "git push --tags upstream upstream_master:master && git push upstream upstream_master:master  # Push source for version N+1",
     "postpush-published": "git checkout master && git branch -D upstream_master",
     "/** Update gh-pages branch **/": "Ater publishing version N, update the github docs and REPL",