Use npm-shrinkwrap.json instead of package-lock.json

.gitignore

@@ -9,5 +9,5 @@
 !decktape.js
 !Dockerfile
 !package.json
-!package-lock.json
+!npm-shrinkwrap.json
 !README.adoc

.npmignore

@@ -3,4 +3,5 @@
 !plugins
 !decktape.js
 !package.json
+!npm-shrinkwrap.json
 !README.adoc

npm-shrinkwrap.json

@@ -73,7 +73,7 @@
       "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
       "requires": {
         "inherits": "2.0.3",
-        "readable-stream": "2.3.4",
+        "readable-stream": "2.3.6",
         "typedarray": "0.0.6"
       }
     },
@@ -159,9 +159,9 @@
       "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE="
     },
     "https-proxy-agent": {
-      "version": "2.1.1",
+      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz",
-      "integrity": "sha512-LK6tQUR/VOkTI6ygAfWUKKP95I+e6M1h7N3PncGu1CATHCnex+CAv9ttR0lbHu1Uk2PXm/WoAHFo6JCGwMjVMw==",
+      "integrity": "sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==",
       "requires": {
         "agent-base": "4.2.0",
         "debug": "3.1.0"
@@ -241,7 +241,6 @@
         "bcrypt-pbkdf": {
           "version": "1.0.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "tweetnacl": "0.14.5"
           }
@@ -345,7 +344,6 @@
         "ecc-jsbn": {
           "version": "0.1.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "jsbn": "0.1.1"
           }
@@ -514,15 +512,13 @@
         "jodid25519": {
           "version": "1.0.2",
           "bundled": true,
-          "optional": true,
           "requires": {
             "jsbn": "0.1.1"
           }
         },
         "jsbn": {
           "version": "0.1.1",
-          "bundled": true,
+          "bundled": true
-          "optional": true
         },
         "json-schema": {
           "version": "0.2.3",
@@ -858,8 +854,7 @@
         },
         "tweetnacl": {
           "version": "0.14.5",
-          "bundled": true,
+          "bundled": true
-          "optional": true
         },
         "uid-number": {
           "version": "0.0.6",
@@ -4832,13 +4827,13 @@
       "integrity": "sha1-M8UDmPcOp+uW0h97gXYwpVeRx+4="
     },
     "puppeteer": {
-      "version": "1.1.1",
+      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-1.2.0.tgz",
-      "integrity": "sha1-rb8l5J9e8DRDwQq44JqVTKDHv+4=",
+      "integrity": "sha512-4sY/6mB7+kNPGAzPGKq65tH0VG3ohUEkXHuOReB9K/tw3m1TqifYmxnMR/uDeci/UPwyk5K1gWYh8rw0U0Zscw==",
       "requires": {
         "debug": "2.6.9",
         "extract-zip": "1.6.6",
-        "https-proxy-agent": "2.1.1",
+        "https-proxy-agent": "2.2.1",
         "mime": "1.6.0",
         "progress": "2.0.0",
         "proxy-from-env": "1.0.0",
@@ -4847,16 +4842,16 @@
       }
     },
     "readable-stream": {
-      "version": "2.3.4",
+      "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.4.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-      "integrity": "sha512-vuYxeWYM+fde14+rajzqgeohAI7YoJcHE7kXDAc4Nk0EbuKnJfqtY9YtRkLo/tqkuF7MsBQRhPnPeyjYITp3ZQ==",
+      "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "requires": {
         "core-util-is": "1.0.2",
         "inherits": "2.0.3",
         "isarray": "1.0.0",
         "process-nextick-args": "2.0.0",
-        "safe-buffer": "5.1.1",
+        "safe-buffer": "5.1.2",
-        "string_decoder": "1.0.3",
+        "string_decoder": "1.1.1",
         "util-deprecate": "1.0.2"
       }
     },
@@ -4869,16 +4864,16 @@
       }
     },
     "safe-buffer": {
-      "version": "5.1.1",
+      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "string_decoder": {
-      "version": "1.0.3",
+      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "supports-color": {
@@ -4920,7 +4915,7 @@
       "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
       "requires": {
         "async-limiter": "1.0.0",
-        "safe-buffer": "5.1.1",
+        "safe-buffer": "5.1.2",
         "ultron": "1.1.1"
       }
     },