Release Spot 1.99.3

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

NEWS

-New in spot 1.99.2a (not yet released)
+New in spot 1.99.3 (2015-08-26)
 
   * The CGI script for LTL translation offers a HOA download link
     for each generated automaton.
@@ -44,12 +44,12 @@ New in spot 1.99.2a (not yet released)
     - ltlcross no longer outputs additional columns about the size
       of the input automaton in the case ltl2dstar's format is used.
     - ltldo uses results in ltl2dstar's format directly, without
-      converting them to Büchi
+      converting them to Büchi.
     - dstar2tgba has been greatly simplified and now uses the
       same output routines as all the other tools that output
-      automata.  This implies a few minor semantic changes for
+      automata.  This implies a few minor semantic changes, for
       instance --stats=%A used to output the number of acceptance
-      *pairs* in the input automaton, while it nows output the
+      *pairs* in the input automaton, while it now outputs the
       number of acceptance sets like in all the other tools.
 
   * Bugs fixed

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], [1.99.2a], [spot@lrde.epita.fr])
+AC_INIT([spot], [1.99.3], [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 1.99.2
-#+MACRO: LASTRELEASE 1.99.2
-#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-1.99.2.tar.gz][=spot-1.99.2.tar.gz=]]
-#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-1-99-2/NEWS][summary of the changes]]
-#+MACRO: LASTDATE 2015-07-18
+#+MACRO: SPOTVERSION 1.99.3
+#+MACRO: LASTRELEASE 1.99.3
+#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-1.99.3.tar.gz][=spot-1.99.3.tar.gz=]]
+#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-1-99-3/NEWS][summary of the changes]]
+#+MACRO: LASTDATE 2015-08-26