(css,js) Update md to v1.1.19

NEWS

@@ -7,6 +7,7 @@ Enhancements
  - [web] allow to fetch unseen count of all mailboxes (#522, #2776, #4276)
  - [web] add rel="noopener" to external links (#4764)
  - [web] add Indonesian (id) translation
+ - [web] updated Angular Material to version 1.1.19
 
 Bug fixes
  - [web] fixed wrong translation of custom calendar categories

UI/WebServerResources/bower.json

@@ -10,7 +10,7 @@
     "angular-sanitize": "1.7.x",
     "angular-ui-router": "1.0.20",
     "angular-file-upload": "latest",
-    "angular-material": "1.1.13",
+    "angular-material": "1.1.19",
     "FileSaver": "latest",
     "lodash": "latest",
     "ng-sortable": "1.3.7",