Update for 2.91.4.

* NEWS: Updated.
* configure.ac:
* README: Updated version and dependencies.

NEWS

+2.91.4:
+* Fixed build with recent GtkSourceView. (Krzesimir Nowak, Murray Cumming)
+* Wrapped missing properties in SourceGutterRendererPixbuf,
+  SourceGutterRendererText, SourceLanguage, SourceLanguageManager,
+  SourceStyleScheme, SourceStyleSchemeManager. (Krzesimir Nowak)
+
+2.91.3:
+* There was no 2.91.3. Sorry.
+
 2.91.2:
 * Fixed reference counting in completion classes and added a completion test.
   (Krzesimir Nowak)
 * Renamed gtksourceview namespace to Gsv.
-* Written documetation about migration from 2.0 to 3.0 - it describes most of
+* Written documentation about migration from 2.0 to 3.0 - it describes most of
   API breaks (like the one mentioned above). (Krzesimir Nowak)
 * Wrapped GtkSourceGutterRenderer, GtkSourceGutterRendererPixbuf,
   GtkSourceGutterRendererText and GtkSourceMarkCategory. (Krzesimir Nowak)

README

-C++ wrapper for gtksourceview, version 2.91.2.
+C++ wrapper for gtksourceview, version 2.91.4.
 
 Current dependencies:
 - to build a library from tarball:
-  * gtksourceview >= 2.91.2
+  * gtksourceview >= 2.91.4
   * gtkmm >= 2.91.2
 - to build a documentation:
   * same as above and tools required by mm-common, that are:

configure.ac

-AC_INIT([gtksourceviewmm], [2.91.3],
+AC_INIT([gtksourceviewmm], [2.91.4],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gtksourceviewmm],
         [gtksourceviewmm], [http://projects.gnome.org/gtksourceviewmm/])
 AC_PREREQ([2.62])
@@ -18,17 +18,14 @@ MM_INIT_MODULE([gtksourceviewmm-3.0])
 
 AC_SUBST([GTKSOURCEVIEWMM_SO_VERSION], [0:0:0])
 
-# AC_DISABLE_STATIC
-# AC_LIBTOOL_WIN32_DLL
-# AC_PROG_LIBTOOL
 LT_INIT([win32-dll disable-static])
 AC_PROG_CXX
 
-AC_SUBST([GTKSOURCEVIEWMM_MODULES], ['gtkmm-3.0 >= 2.91.2 gtksourceview-3.0 >= 2.91.2'])
+AC_SUBST([GTKSOURCEVIEWMM_MODULES], ['gtkmm-3.0 >= 2.91.2 gtksourceview-3.0 >= 2.91.4'])
 PKG_CHECK_MODULES([GTKSOURCEVIEWMM], [$GTKSOURCEVIEWMM_MODULES])
 
 MM_PKG_CONFIG_SUBST([GTHREAD_CFLAGS], [--cflags-only-other gthread-2.0])
-MM_PKG_CONFIG_SUBST([GMMPROC_DIR], [--variable=gmmprocdir glibmm-2.4 ])
+MM_PKG_CONFIG_SUBST([GMMPROC_DIR], [--variable=gmmprocdir glibmm-2.4])
 MM_PKG_CONFIG_SUBST([GMMPROC_EXTRA_M4_DIR], [--variable=gmmprocm4dir cairomm-1.0 pangomm-1.4 atkmm-1.6 gtkmm-3.0])
 
 MM_ARG_DISABLE_DEPRECATED_API([GTKSOURCEVIEWMM])