Added syntax highlighting for Squirrel (#3791)

* Added syntax highlighting for Squirrel

https://github.com/search?utf8=%E2%9C%93&q=extension%3Anut+NOT+nothack&t
ype=Code

Squirrel is already detected by GitHub but has no syntax
highlighting.

* removed duplicate `source.nut`

.gitmodules

@@ -869,3 +869,6 @@
 [submodule "vendor/grammars/sublime-nearley"]
 	path = vendor/grammars/sublime-nearley
 	url = https://github.com/Hardmath123/sublime-nearley
+[submodule "vendor/grammars/squirrel-language"]
+	path = vendor/grammars/squirrel-language
+	url = https://github.com/mathewmariani/squirrel-language

grammars.yml

@@ -616,6 +616,8 @@ vendor/grammars/sourcepawn:
 - source.sp
 vendor/grammars/sql.tmbundle:
 - source.sql
+vendor/grammars/squirrel-language:
+- source.nut
 vendor/grammars/st2-zonefile:
 - text.zone_file
 vendor/grammars/standard-ml.tmbundle:

vendor/licenses/grammar/language-python.txt

@@ -1,36 +0,0 @@
----
-type: grammar
-name: language-python
-license: mit
----
-Copyright (c) 2014 GitHub Inc.
-
-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.
-
---------------------------------------------------------------------
-
-This package was derived from a TextMate bundle located at
-https://github.com/textmate/python.tmbundle and distributed under the following
-license, located in `README.mdown`:
-
-Permission to copy, use, modify, sell and distribute this
-software is granted. This software is provided "as is" without
-express or implied warranty, and with no claim as to its
-suitability for any purpose.

vendor/licenses/grammar/squirrel-language.txt

@@ -0,0 +1,26 @@
+---
+type: grammar
+name: squirrel-language
+license: mit
+---
+The MIT License (MIT)
+
+Copyright (c) 2017 Mathew Mariani
+
+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.