Rename package from 'nw' to 'novelwriter' (#868)

* Rename nw folder to novelwriter
* Rename nw to novelwriter in auxiliary files
* Rename nw to novelwriter in main app source
* Rename nw to novelwriter in tests
* Make setup script for pdf docs less spammy

novelwriter/tools/__init__.py

@@ -0,0 +1,30 @@
+"""
+novelWriter – Tools Init
+========================
+
+This file is a part of novelWriter
+Copyright 2018–2021, Veronica Berglyd Olsen
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+"""
+
+from novelwriter.tools.build import GuiBuildNovel
+from novelwriter.tools.projwizard import GuiProjectWizard
+from novelwriter.tools.writingstats import GuiWritingStats
+
+__all__ = [
+    "GuiBuildNovel",
+    "GuiProjectWizard",
+    "GuiWritingStats",
+]