Rename VERSION to VERSION.info to avoid conflicts with modern STL

On case-insensitive file systems (e.g., macOS), inclusion of the new
standard <version> header resulted in unexpected inclusion of VERSION
file.

Change-Id: I5be60b42305856f7b45f3a7116c7bf0cb9082ecf

.gitignore

@@ -26,4 +26,4 @@ __pycache__/
 *.py[cod]
 
 # Other
-/VERSION
+/VERSION.info

wscript

@@ -312,7 +312,7 @@ def version(ctx):
     except (OSError, subprocess.CalledProcessError):
         pass
 
-    versionFile = ctx.path.find_node('VERSION')
+    versionFile = ctx.path.find_node('VERSION.info')
     if not gotVersionFromGit and versionFile is not None:
         try:
             Context.g_module.VERSION = versionFile.read()
@@ -329,7 +329,7 @@ def version(ctx):
         except EnvironmentError as e:
             Logs.warn('%s exists but is not readable (%s)' % (versionFile, e.strerror))
     else:
-        versionFile = ctx.path.make_node('VERSION')
+        versionFile = ctx.path.make_node('VERSION.info')
 
     try:
         versionFile.write(Context.g_module.VERSION)