Since version 2.18.1 is not fit for general consumption, rewind
VERSION_STABLE to 2.18.0 while bumping the next version to 2.18.2.
(cherry picked from commit
48b3a7e2a5112de5dacc07dfd40e34bf9a09c3ca)
Conflicts:
VERSION
PACKAGE_NAME=LilyPond
MAJOR_VERSION=2
-MINOR_VERSION=17
-PATCH_LEVEL=96
+MINOR_VERSION=18
+PATCH_LEVEL=2
MY_PATCH_LEVEL=
-VERSION_STABLE=2.16.2
-VERSION_DEVEL=2.17.95
+VERSION_STABLE=2.18.0
+VERSION_DEVEL=2.19.2