GUACAMOLE-773: Update JavaScript dependencies to latest stable, compatible versions.

doc/licenses/angular-translate-2.19.0/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2013-2017 The angular-translate team and Pascal Precht
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

doc/licenses/angular-translate-2.19.0/README

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+angular-translate (https://angular-translate.github.io/)
+--------------------------------------------------------
+
+    Version: 2.19.0
+    From: 'Pascal Precht' (https://github.com/PascalPrecht)
+    License(s):
+        MIT (bundled/angular-translate-2.19.0/LICENSE)
+

doc/licenses/angular-translate-2.19.0/dep-coordinates.txt

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+angular-translate-interpolation-messageformat:2.19.0
+angular-translate-loader-static-files:2.19.0
+angular-translate:2.19.0