Additional UI/JS licenses (#2974)

* Additional UI/JS licenses

docs/licenses/cowsay.txt

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+cowsay is licensed under the following MIT license:
+
+====
+Copyright (c) 2012 Fabio Crisci <fabio.crisci@gmail.com>
+
+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.
+
+====
+
+The original idea of cowsay come from [Tony Monroe](http://www.nog.net/~tony/) - [cowsay](https://github.com/schacon/cowsay) 

docs/licenses/font-awesome.txt

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+Font License
+
+Applies to all desktop and webfont files in the following directory: font-awesome/fonts/.
+License: SIL OFL 1.1
+URL: http://scripts.sil.org/OFL
+
+
+
+Code License
+
+Applies to all CSS and LESS files in the following directories: font-awesome/css/, font-awesome/less/, and font-awesome/scss/.
+License: MIT License
+URL: http://opensource.org/licenses/mit-license.html