Re-license as MIT

Closes #551

Author: batpigandme

.Rbuildignore

@@ -19,3 +19,4 @@
 ^CRAN-RELEASE$
 ^\.gitattributes$
 ^\.github$
+^LICENSE\.md$

DESCRIPTION

@@ -15,7 +15,7 @@ Description: Download and install R packages stored in 'GitHub', 'GitLab',
     'Bitbucket', 'Bioconductor', or plain 'subversion' or 'git' repositories. 
     This package provides the 'install_*' functions in 'devtools'. Indeed most 
     of the code was copied over from 'devtools'.
-License: GPL (>= 2)
+License: MIT + file LICENSE
 URL: https://remotes.r-lib.org, https://github.com/r-lib/remotes#readme
 BugReports: https://github.com/r-lib/remotes/issues
 Imports:

LICENSE

@@ -0,0 +1,2 @@
+YEAR: 2021
+COPYRIGHT HOLDER: remotes authors

LICENSE.md

@@ -0,0 +1,21 @@
+# MIT License
+
+Copyright (c) 2021 remotes authors
+
+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.

NEWS.md

@@ -1,5 +1,7 @@
 # remotes (development version)
 
+* Re-license as MIT. (#551)
+
 # remotes 2.3.0
 
 ## Major changes