NIFIREG-302 - clean up console messages that report as errors(even though they really are not) during build.

This closes #216

Signed-off-by: Scott Aslan <scottyaslan@gmail.com>
diff --git a/nifi-registry-core/nifi-registry-web-ui/src/main/karma.conf.js b/nifi-registry-core/nifi-registry-web-ui/src/main/karma.conf.js
index 0998a38..e439184 100644
--- a/nifi-registry-core/nifi-registry-web-ui/src/main/karma.conf.js
+++ b/nifi-registry-core/nifi-registry-web-ui/src/main/karma.conf.js
@@ -66,6 +66,11 @@
             noInfo: true
         },
 
+        webpackMiddleware: {
+            stats: 'errors-only',
+            logLevel: 'error'
+        },
+
         exclude: [],
 
         preprocessors: {
diff --git a/nifi-registry-core/nifi-registry-web-ui/src/main/package-lock.json b/nifi-registry-core/nifi-registry-web-ui/src/main/package-lock.json
index 070dce6..51e5b27 100644
--- a/nifi-registry-core/nifi-registry-web-ui/src/main/package-lock.json
+++ b/nifi-registry-core/nifi-registry-web-ui/src/main/package-lock.json
@@ -3828,15 +3828,6 @@
       "integrity": "sha1-GzN5LhHpFKL9bW7WRHRkRE5fpkA=",
       "dev": true
     },
-    "d": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
-      "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
-      "dev": true,
-      "requires": {
-        "es5-ext": "0.10.42"
-      }
-    },
     "damerau-levenshtein": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/damerau-levenshtein/-/damerau-levenshtein-1.0.4.tgz",
@@ -4456,28 +4447,6 @@
         "is-symbol": "1.0.2"
       }
     },
-    "es5-ext": {
-      "version": "0.10.42",
-      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.42.tgz",
-      "integrity": "sha1-jAfdM68E1dzRMQtc7xO+pjqJuo0=",
-      "dev": true,
-      "requires": {
-        "es6-iterator": "2.0.3",
-        "es6-symbol": "3.1.1",
-        "next-tick": "1.0.0"
-      }
-    },
-    "es6-iterator": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/es6-iterator/-/es6-iterator-2.0.3.tgz",
-      "integrity": "sha1-p96IkUGgWpSwhUQDstCg+/qY87c=",
-      "dev": true,
-      "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.42",
-        "es6-symbol": "3.1.1"
-      }
-    },
     "es6-promise": {
       "version": "4.2.4",
       "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.4.tgz",
@@ -4493,16 +4462,6 @@
         "es6-promise": "4.2.4"
       }
     },
-    "es6-symbol": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.1.tgz",
-      "integrity": "sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=",
-      "dev": true,
-      "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.42"
-      }
-    },
     "es6-templates": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/es6-templates/-/es6-templates-0.2.3.tgz",
@@ -8979,108 +8938,79 @@
       }
     },
     "karma-webpack": {
-      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/karma-webpack/-/karma-webpack-3.0.5.tgz",
-      "integrity": "sha512-nRudGJWstvVuA6Tbju9tyGUfXTtI1UXMXoRHVmM2/78D0q6s/Ye2IC157PKNDC15PWFGR0mVIRtWLAdcfsRJoA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/karma-webpack/-/karma-webpack-4.0.2.tgz",
+      "integrity": "sha512-970/okAsdUOmiMOCY8sb17A2I8neS25Ad9uhyK3GHgmRSIFJbDcNEFE8dqqUhNe9OHiCC9k3DMrSmtd/0ymP1A==",
       "dev": true,
       "requires": {
-        "async": "2.6.2",
-        "babel-runtime": "6.26.0",
+        "clone-deep": "4.0.1",
         "loader-utils": "1.2.3",
-        "lodash": "4.17.11",
-        "source-map": "0.5.7",
-        "webpack-dev-middleware": "2.0.6"
+        "neo-async": "2.6.1",
+        "schema-utils": "1.0.0",
+        "source-map": "0.7.3",
+        "webpack-dev-middleware": "3.7.0"
       },
       "dependencies": {
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+        "clone-deep": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/clone-deep/-/clone-deep-4.0.1.tgz",
+          "integrity": "sha512-neHB9xuzh/wk0dIHweyAXv2aPGZIVk3pLMe+/RNzINf17fe0OG96QroktYAUm7SM1PBnzTabaLboqqxDyMU+SQ==",
           "dev": true,
           "requires": {
-            "color-convert": "1.9.2"
+            "is-plain-object": "2.0.4",
+            "kind-of": "6.0.2",
+            "shallow-clone": "3.0.1"
           }
         },
-        "async": {
-          "version": "2.6.2",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-          "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
-          "dev": true,
-          "requires": {
-            "lodash": "4.17.11"
-          },
-          "dependencies": {
-            "lodash": {
-              "version": "4.17.11",
-              "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-              "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
-              "dev": true
-            }
-          }
-        },
-        "chalk": {
-          "version": "2.4.2",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "3.2.1",
-            "escape-string-regexp": "1.0.5",
-            "supports-color": "5.5.0"
-          }
-        },
-        "has-flag": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+        "kind-of": {
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
           "dev": true
         },
         "mime": {
-          "version": "2.4.2",
-          "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.2.tgz",
-          "integrity": "sha512-zJBfZDkwRu+j3Pdd2aHsR5GfH2jIWhmL1ZzBoc+X+3JEti2hbArWcyJ+1laC1D2/U/W1a/+Cegj0/OnEU2ybjg==",
+          "version": "2.4.4",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.4.tgz",
+          "integrity": "sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==",
           "dev": true
         },
+        "neo-async": {
+          "version": "2.6.1",
+          "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+          "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
+          "dev": true
+        },
+        "range-parser": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
+          "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
+          "dev": true
+        },
+        "shallow-clone": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/shallow-clone/-/shallow-clone-3.0.1.tgz",
+          "integrity": "sha512-/6KqX+GVUdqPuPPd2LxDDxzX6CAbjJehAAOKlNpqqUpAqPM6HeL8f+o3a+JsyGjn2lv0WY8UsTgUJjU9Ok55NA==",
+          "dev": true,
+          "requires": {
+            "kind-of": "6.0.2"
+          }
+        },
         "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "version": "0.7.3",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+          "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
           "dev": true
         },
-        "supports-color": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "dev": true,
-          "requires": {
-            "has-flag": "3.0.0"
-          }
-        },
         "webpack-dev-middleware": {
-          "version": "2.0.6",
-          "resolved": "https://registry.npmjs.org/webpack-dev-middleware/-/webpack-dev-middleware-2.0.6.tgz",
-          "integrity": "sha512-tj5LLD9r4tDuRIDa5Mu9lnY2qBBehAITv6A9irqXhw/HQquZgTx3BCd57zYbU2gMDnncA49ufK2qVQSbaKJwOw==",
+          "version": "3.7.0",
+          "resolved": "https://registry.npmjs.org/webpack-dev-middleware/-/webpack-dev-middleware-3.7.0.tgz",
+          "integrity": "sha512-qvDesR1QZRIAZHOE3iQ4CXLZZSQ1lAUsSpnQmlB1PBfoN/xdRjmge3Dok0W4IdaVLJOGJy3sGI4sZHwjRU0PCA==",
           "dev": true,
           "requires": {
-            "loud-rejection": "1.6.0",
             "memory-fs": "0.4.1",
-            "mime": "2.4.2",
-            "path-is-absolute": "1.0.1",
-            "range-parser": "1.2.0",
-            "url-join": "2.0.5",
-            "webpack-log": "1.2.0"
-          }
-        },
-        "webpack-log": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-1.2.0.tgz",
-          "integrity": "sha512-U9AnICnu50HXtiqiDxuli5gLB5PGBo7VvcHx36jRZHwK4vzOYLbImqT4lwWwoMHdQWwEKw736fCHEekokTEKHA==",
-          "dev": true,
-          "requires": {
-            "chalk": "2.4.2",
-            "log-symbols": "2.2.0",
-            "loglevelnext": "1.0.5",
-            "uuid": "3.2.1"
+            "mime": "2.4.4",
+            "range-parser": "1.2.1",
+            "webpack-log": "2.0.0"
           }
         }
       }
@@ -9663,16 +9593,6 @@
       "integrity": "sha1-4PyVEztu8nbNyIh82vJKpvFW+Po=",
       "dev": true
     },
-    "loglevelnext": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/loglevelnext/-/loglevelnext-1.0.5.tgz",
-      "integrity": "sha512-V/73qkPuJmx4BcBF19xPBr+0ZRVBhc4POxvZTZdMeXpJ4NItXSJ/MSwuFT0kQJlCbXvdlZoQQ/418bS1y9Jh6A==",
-      "dev": true,
-      "requires": {
-        "es6-symbol": "3.1.1",
-        "object.assign": "4.1.0"
-      }
-    },
     "longest-streak": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/longest-streak/-/longest-streak-2.0.2.tgz",
@@ -10233,12 +10153,6 @@
       "integrity": "sha512-MFh0d/Wa7vkKO3Y3LlacqAEeHK0mckVqzDieUKTT+KGxi+zIpeVsFxymkIiRpbpDziHc290Xr9A1O4Om7otoRA==",
       "dev": true
     },
-    "next-tick": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/next-tick/-/next-tick-1.0.0.tgz",
-      "integrity": "sha1-yobR/ogoFpsBICCOPchCS524NCw=",
-      "dev": true
-    },
     "nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
@@ -15208,12 +15122,6 @@
         }
       }
     },
-    "url-join": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=",
-      "dev": true
-    },
     "url-loader": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/url-loader/-/url-loader-1.1.2.tgz",
diff --git a/nifi-registry-core/nifi-registry-web-ui/src/main/package.json b/nifi-registry-core/nifi-registry-web-ui/src/main/package.json
index b342b62..2d26082 100644
--- a/nifi-registry-core/nifi-registry-web-ui/src/main/package.json
+++ b/nifi-registry-core/nifi-registry-web-ui/src/main/package.json
@@ -109,7 +109,7 @@
     "karma-jasmine": "2.0.1",
     "karma-jasmine-html-reporter": "1.4.0",
     "karma-spec-reporter": "0.0.32",
-    "karma-webpack": "3.0.5",
+    "karma-webpack": "4.0.2",
     "license-webpack-plugin": "2.1.1",
     "lint-staged": "8.1.7",
     "mini-css-extract-plugin": "0.6.0",
diff --git a/nifi-registry-core/nifi-registry-web-ui/src/main/webpack.common.js b/nifi-registry-core/nifi-registry-web-ui/src/main/webpack.common.js
index 9e18333..4fc698a 100644
--- a/nifi-registry-core/nifi-registry-web-ui/src/main/webpack.common.js
+++ b/nifi-registry-core/nifi-registry-web-ui/src/main/webpack.common.js
@@ -70,6 +70,8 @@
         console: true
     },
 
+    stats: 'errors-only',
+
     module: {
         rules: [
             loaders.ts,