Move all scripts into scripts/, retired DevTools/ (#2003)

This is probably were folks will look for things, so might as well have
everything in one place.

Author: thomasvl

Documentation/RELEASING.md

@@ -28,7 +28,7 @@ When doing a Swift Protobuf library release:
 1. Update the version on _main_
 
    ```
-   DevTools/LibraryVersions.py [a.b.c]
+   scripts/LibraryVersions.py [a.b.c]
    ```
 
    If you aren't sure if `b` or `c`, rather then checking all the _semver_ tags on the

Makefile

@@ -168,7 +168,7 @@ test-all test-everything: test
 
 # Check the version numbers are all in sync.
 check-version-numbers:
-	@DevTools/LibraryVersions.py --validate
+	@scripts/LibraryVersions.py --validate
 
 #
 # The Swift test suite includes unit tests for the runtime library

DevTools/CopyrightFixup.sh scripts/CopyrightFixup.shDevTools/CopyrightFixup.sh renamed to scripts/CopyrightFixup.sh

@@ -2,8 +2,8 @@
 
 set -eu
 
-readonly DevToolsDir=$(dirname "$(echo $0 | sed -e "s,^\([^/]\),$(pwd)/\1,")")
-readonly RootDir="${DevToolsDir}/.."
+readonly ScriptsDir=$(dirname "$(echo $0 | sed -e "s,^\([^/]\),$(pwd)/\1,")")
+readonly RootDir="${ScriptsDir}/.."
 
 cd "${RootDir}"
 

DevTools/LibraryVersions.py scripts/LibraryVersions.pyDevTools/LibraryVersions.py renamed to scripts/LibraryVersions.py

@@ -1,5 +1,5 @@
 #! /usr/bin/python3
-# DevTools/LibraryVersions.py - Helper for the library's version number
+# scripts/LibraryVersions.py - Helper for the library's version number
 #
 # Copyright (c) 2014 - 2017 Apple Inc. and the project authors
 # Licensed under Apache License v2.0 with Runtime Library Exception