Assign authorship to "The Harmonica Developers" (fatiando#44)

Replaces my name with "The Harmonica Developers" in authorship claims and
copyright notices. Include a definition of what that term means in the
AUTHORS.md file.
Left my name and email as maintainer on the setup.py because we don't
have a project email yet.

Author: leouieda

AUTHORS.md

@@ -1,6 +1,7 @@
-# Project Contributors
+# Project Authors
 
-The following people have made contributions to the project (in alphabetical order):
+The following people have made contributions to the project (in alphabetical order by
+last name) and are considered "The Harmonica Developers":
 
-* [Santiago Soler](https://santis19.github.io/)
-* [Leonardo Uieda](http://www.leouieda.com/)
+* [Santiago Soler](https://github.com/santisoler)
+* [Leonardo Uieda](https://github.com/leouieda)

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (c) 2018 Leonardo Uieda
+Copyright (c) 2018-2019 The Harmonica Developers
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,
@@ -9,7 +9,7 @@ are permitted provided that the following conditions are met:
 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
-* Neither the name of Leonardo Uieda nor the names of any contributors
+* Neither the name of The Harmonica Developers nor the names of any contributors
   may be used to endorse or promote products derived from this software
   without specific prior written permission.
 

doc/conf.py

@@ -78,7 +78,7 @@
 # General information about the project
 year = datetime.date.today().year
 project = 'Harmonica'
-copyright = '2018-{}, Leonardo Uieda'.format(year)
+copyright = '2018-{}, The Harmonica Developers'.format(year)
 if len(full_version.split('+')) > 1 or full_version == 'unknown':
     version = 'dev'
 else:

setup.py

@@ -10,9 +10,9 @@
 
 NAME = "harmonica"
 FULLNAME = "Harmonica"
-AUTHOR = "Leonardo Uieda"
+AUTHOR = "The Harmonica Developers"
 AUTHOR_EMAIL = "[email protected]"
-MAINTAINER = AUTHOR
+MAINTAINER = "Leonardo Uieda"
 MAINTAINER_EMAIL = AUTHOR_EMAIL
 LICENSE = "BSD License"
 URL = "https://github.com/fatiando/harmonica"