Release Spot 1.99.1

* NEWS, configure.ac, doc/org/setup.org: Bump version number.

NEWS

-New in spot 1.99b (not yet released)
+New in spot 1.99.1 (2015-06-23)
 
   * Major changes motivating the jump in version number
 
@@ -415,10 +415,6 @@ New in spot 1.99b (not yet released)
       case you have a file in this format, install Spot 1.2.6 and use
       "src/tgbatest/ltl2tgba -H -X file" to convert the file to HOA.)
 
-New in spot 1.2.6a (not yet released)
-
-  Nothing yet.
-
 New in spot 1.2.6 (2014-12-06)
 
   * New features:

configure.ac

@@ -21,7 +21,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.61])
-AC_INIT([spot], [1.99b], [spot@lrde.epita.fr])
+AC_INIT([spot], [1.99.1], [spot@lrde.epita.fr])
 AC_CONFIG_AUX_DIR([tools])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.11 gnu tar-ustar color-tests parallel-tests])

doc/org/setup.org

 #+OPTIONS: H:2 num:nil toc:t
 #+EMAIL: spot@lrde.epita.fr
 #+HTML_LINK_HOME: index.html
-#+MACRO: SPOTVERSION 1.99b
-#+MACRO: LASTRELEASE 1.2.6
-#+MACRO: LASTTARBALL [[file:http:/www.lrde.epita.fr/dload/spot/spot-1.2.6.tar.gz][=spot-1.2.6.tar.gz=]]
-#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-1-2-6/NEWS][summary of the changes]]
-#+MACRO: LASTDATE 2014-12-06
+#+MACRO: SPOTVERSION 1.99.1
+#+MACRO: LASTRELEASE 1.99.1
+#+MACRO: LASTTARBALL [[file:http:/www.lrde.epita.fr/dload/spot/spot-1.99.1.tar.gz][=spot-1.99.1.tar.gz=]]
+#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-1-99-1/NEWS][summary of the changes]]
+#+MACRO: LASTDATE 2015-06-23