[easytag] Depend on yelp-tools so that help is installed

[David King <davidk src gnome org>]

commit 49d5c597876d8d27c22f21ac750e275f959b0f1a
Author: David King <amigadave amigadave com>
Date:   Tue Oct 8 17:57:21 2013 +0100

    Depend on yelp-tools so that help is installed

 Makefile.am  |    2 +-
 README       |    3 ++-
 configure.ac |    4 ++++
 3 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 24c30ae..13174b4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,7 +11,7 @@ DISTCHECK_CONFIGURE_FLAGS = \
        --enable-tests \
        --enable-wavpack
  
-SUBDIRS = po
+SUBDIRS = help po
 
 bin_PROGRAMS = easytag
 
diff --git a/README b/README
index 356bfaa..977b490 100644
--- a/README
+++ b/README
@@ -61,6 +61,7 @@ Installation
 * flac (http://flac.sourceforge.net) (if not deactivated by './configure --disable-flac')
 * taglib (http://taglib.github.com/) (if not deactivated by './configure --disable-mp4')
 * wavpack (http://www.wavpack.com/) (if not deactivated by './configure --disable-wavpack')
+* yelp-tools (https://git.gnome.org/browse/yelp-tools)
 * libc 6 (glibc 2.1) or greater
 * intltool (if not deactivated by './configure --disable-nls')
 
@@ -74,7 +75,7 @@ Segfault occurs when running EasyTAG?
 
 The best way to allow us to fix the problem, is to send a backtrace:
 
-#### Be sure that core files are availables
+#### Be sure that core files are available
 
 If `ulimit -c` returns 0, then run the command `ulimit -c unlimited`
 
diff --git a/configure.ac b/configure.ac
index 93e0d35..e71df32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -77,6 +77,9 @@ AS_IF([test "x$have_desktop_file_validate" = "xyes"],
 
 AM_CONDITIONAL([EASYTAG_ENABLE_TESTS], [test "x$testing_utilities" = "xyes"])
 
+dnl Help.
+YELP_HELP_INIT
+
 dnl -------------------------------
 dnl Handle cross-compiling with mingw32.
 dnl -------------------------------
@@ -326,6 +329,7 @@ AC_CHECK_FUNCS([ftruncate gettimeofday mkstemp truncate])
 
 AC_CONFIG_FILES([ Makefile
                   doc/version.xml
+                  help/Makefile
                   po/Makefile.in
                ])
 AC_OUTPUT