chore(clean-shrinkwrap): preserve git+https:// resolved property

previously we thought that git:// was enough, but we also want git+https:// otherwise we can miss important info
in clean shrinkwrap file

Author: IgorMinar

npm-shrinkwrap.clean.json

@@ -162,6 +162,7 @@
           "dependencies": {
             "traceur": {
               "version": "0.0.33",
+              "resolved": "git+https://github.com/vojtajina/traceur-compiler#d90b1e34c799bf61cd1aafdc33db0a554fa9e617",
               "dependencies": {
                 "commander": {
                   "version": "2.6.0"
@@ -4988,6 +4989,7 @@
     },
     "karma": {
       "version": "0.12.31",
+      "resolved": "git+https://github.com/vojtajina/karma#94bf1319de85db854e5782dc798cfe2fc0609fa6",
       "dependencies": {
         "di": {
           "version": "0.0.1"

scripts/clean-shrinkwrap.js

@@ -15,7 +15,7 @@ var fs = require('fs');
 function cleanModule(module, name) {
 
   // keep `from` and `resolve` properties for git dependencies, delete otherwise
-  if (!(module.resolved && module.resolved.match(/^git:\/\//))) {
+  if (!(module.resolved && module.resolved.match(/^git(\+[a-z]+)?:\/\//))) {
     delete module.from;
     delete module.resolved;
   }