(css,js) Update md to v1.1.4-master-75237c6

NEWS

@@ -17,6 +17,7 @@ Enhancements
  - [web] can now discard incoming mails during vacation
  - [web] support both backspace and delete keys in Mail and Contacts modules
  - [web] improved display of appointment/task comments and card notes
+ - [web] updated Angular Material to version 1.1.4
 
 Bug fixes
  - [web] respect SOGoLanguage and SOGoSupportedLanguages (#4169)

UI/WebServerResources/bower.json

@@ -10,7 +10,7 @@
     "angular-sanitize": "1.6.x",
     "angular-ui-router": "latest",
     "angular-file-upload": "latest",
-    "angular-material": "1.1.4-master-e1345ae",
+    "angular-material": "1.1.4-master-75237c6",
     "file-saver.js": "latest",
     "lodash": "latest",
     "ng-sortable": "latest",