Add some buildinfo to sflphone-gtk. + Dependencies info update.

doc/Build.txt

@@ -84,11 +84,13 @@ Compile `sflphone-gtk` by running:
 
 -------------------------
 cd sflphone-gtk
-gnome-autogen.sh
+gnome-autogen.sh || autoreconf --install
 ./configure --prefix=/usr
 make
 sudo make install
 -------------------------
 
 You'll find `gnome-autogen.sh` in some `gnome-common`-like package of
-your distribution.
+your distribution. You can also replace it by a call to: `autoreconf
+--install`.
+

doc/Dependencies.txt

@@ -15,8 +15,9 @@ libosip2             2.2.2      http://www.gnu.org/software/osip/[website]
 portaudio            v19        http://www.portaudio.com/[website]
 portaudio C++ binds.            http://www.portaudio.com/archives/pa_snapshot_v19.tar.gz[archive]
 libsamplerate        0.1.2      http://www.mega-nerd.com/SRC/[website]
+libdbus-glib         0.73       Packaged with your favorite distribution.
 dbus-c++-1           0.5        See Build notes.
-libexpat1            1.95.8     Packaged with your favorite distribution
+libexpat1            1.95.8     Packaged with your favorite distribution.
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