replaced logging with Winston

package-lock.json

@@ -19,7 +19,8 @@
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       "resolved": "https://registry.npmjs.org/@types/bluebird/-/bluebird-3.5.18.tgz",
-      "integrity": "sha512-OTPWHmsyW18BhrnG5x8F7PzeZ2nFxmHGb42bZn79P9hl+GI5cMzyPgQTwNjbem0lJhoru/8vtjAFCUOu3+gE2w=="
+      "integrity": "sha512-OTPWHmsyW18BhrnG5x8F7PzeZ2nFxmHGb42bZn79P9hl+GI5cMzyPgQTwNjbem0lJhoru/8vtjAFCUOu3+gE2w==",
+      "dev": true
     },
     "@types/body-parser": {
       "version": "1.16.8",
@@ -123,6 +124,7 @@
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@types/form-data/-/form-data-2.2.1.tgz",
       "integrity": "sha1-7is7jqoRwJOCiZU2BrdFtzjFSx4=",
+      "dev": true,
       "requires": {
         "@types/node": "7.0.50"
       }
@@ -311,6 +313,7 @@
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       "resolved": "https://registry.npmjs.org/@types/request/-/request-2.0.9.tgz",
       "integrity": "sha1-EluKYNikOejYfm0TNcYczNwYNDo=",
+      "dev": true,
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         "@types/form-data": "2.2.1",
         "@types/node": "7.0.50"
@@ -320,6 +323,7 @@
       "version": "4.1.39",
       "resolved": "https://registry.npmjs.org/@types/request-promise/-/request-promise-4.1.39.tgz",
       "integrity": "sha512-q9/VlE0osQ+EJ/UCF/MzH/xiF+wahQ4LG2i7lKkJuuWeRaM0GlhG29d11HUEFTKSL0gh3T1sJIpbYE7bwku9aQ==",
+      "dev": true,
       "requires": {
         "@types/bluebird": "3.5.18",
         "@types/request": "2.0.9"
@@ -374,6 +378,15 @@
         "@types/superagent": "3.5.6"
       }
     },
+    "@types/winston": {
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/@types/winston/-/winston-2.3.7.tgz",
+      "integrity": "sha512-jNhbkxPtt9xbzvihfA0OavjJbpCIyTDSmwE03BVXgCKcz9lwNsq4cg2wsNkY4Av5eH35ttBArhYtVJa6CIrg2A==",
+      "dev": true,
+      "requires": {
+        "@types/node": "7.0.50"
+      }
+    },
     "abab": {
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       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -1320,6 +1333,11 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "colors": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
+    },
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       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
@@ -1583,6 +1601,11 @@
         "array-find-index": "1.0.2"
       }
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+    "cycle": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/cycle/-/cycle-1.0.3.tgz",
+      "integrity": "sha1-IegLK+hYD5i0aPN5QwZisEbDStI="
+    },
     "dashdash": {
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       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
@@ -2010,6 +2033,11 @@
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
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+    "eyes": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/eyes/-/eyes-0.1.8.tgz",
+      "integrity": "sha1-Ys8SAjTGg3hdkCNIqADvPgzCC8A="
+    },
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       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz",
@@ -7142,6 +7170,11 @@
         "tweetnacl": "0.14.5"
       }
     },
+    "stack-trace": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
+      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
+    },
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       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
@@ -8157,6 +8190,26 @@
       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
       "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0="
     },
+    "winston": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-2.4.0.tgz",
+      "integrity": "sha1-gIBQuT1SZh7Z+2wms/DIJnCLCu4=",
+      "requires": {
+        "async": "1.0.0",
+        "colors": "1.0.3",
+        "cycle": "1.0.3",
+        "eyes": "0.1.8",
+        "isstream": "0.1.2",
+        "stack-trace": "0.0.10"
+      },
+      "dependencies": {
+        "async": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k="
+        }
+      }
+    },
     "with": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/with/-/with-5.1.1.tgz",