NPM update to address TAR vulnerability

This security vulnerability is in the phosphor-webui
repo:
"We found a potential security vulnerability in one of your
dependencies.
 tar
 Upgrade tar to version 4.4.2 or later."

See https://nvd.nist.gov/vuln/detail/CVE-2018-20834
for more information.

Ran "NPM update" && "npm install node-sass@latest --save".

Before:

bash-4.1$ npm audit

....

found 3 high severity vulnerabilities in 12118 scanned packages
  run `npm audit fix` to fix 3 of them.

After:

bash-4.1$ npm audit

                       === npm audit security report ===

found 0 vulnerabilities
 in 12124 scanned packages

Resolves https://github.com/openbmc/phosphor-webui/issues/85

Tested: Built the GUI and loaded it on a Witherspoon. No
        regressions observed.

Change-Id: I67cf4111021d7097a4a0726fecc320853810c6fd
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/package.json b/package.json
index faf47a3..db7976e 100644
--- a/package.json
+++ b/package.json
@@ -28,19 +28,19 @@
     "node"
   ],
   "dependencies": {
-    "angular": "^1.7.5",
-    "angular-animate": "^1.7.5",
     "@novnc/novnc": "^1.1.0",
-    "angular-clipboard": "^1.6.2",
-    "angular-cookies": "^1.7.5",
-    "angular-messages": "^1.7.6",
-    "angular-route": "^1.7.5",
-    "angular-sanitize": "^1.7.5",
-    "angular-ui-bootstrap": "^2.5.0",
-    "angular-ui-router": "^1.0.20",
+    "angular": "^1.7.8",
+    "angular-animate": "^1.7.8",
+    "angular-clipboard": "^1.7.0",
+    "angular-cookies": "^1.7.8",
+    "angular-messages": "^1.7.8",
+    "angular-route": "^1.7.8",
+    "angular-sanitize": "^1.7.8",
+    "angular-ui-bootstrap": "^2.5.6",
+    "angular-ui-router": "^1.0.22",
     "bootstrap": "^4.3.1",
     "ng-toast": "^2.0.0",
-    "xterm": "^3.10.1"
+    "xterm": "^3.13.1"
   },
   "peerDependencies": {},
   "devDependencies": {
@@ -74,9 +74,9 @@
     "style-loader": "^0.23.1",
     "svg-inline-loader": "^0.8.0",
     "uglifyjs-webpack-plugin": "^1.3.0",
-    "webpack": "^4.29.3",
-    "webpack-cli": "^3.2.3",
-    "webpack-dev-server": "^3.1.11"
+    "webpack": "^4.32.0",
+    "webpack-cli": "^3.3.2",
+    "webpack-dev-server": "^3.4.1"
   },
   "license": "MIT",
   "engines": {