Add log for interactiveness

Author: axic

update

@@ -39,6 +39,7 @@ dirs.forEach(function (dir) {
       .filter(function (version) { return version })
       .map(function (pars) { return { path: pars[0], version: pars[1], prerelease: pars[3], build: pars[5] } })
       .map(function (pars) {
+        console.log('Processing ' + pars.path)
         const fileContent = readFile(pars.path)
         pars.longVersion = buildVersion(pars)
         pars.keccak256 = '0x' + ethUtil.sha3(fileContent).toString('hex')