[recipes] Update README.md for meson

[Matthias Clasen <matthiasc src gnome org>]

commit fb4c7a1775be58685e39daf88eed6a2bf0306509
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 17 17:49:44 2017 -0400

    Update README.md for meson

 README.md |   18 ++++++++----------
 1 files changed, 8 insertions(+), 10 deletions(-)
---
diff --git a/README.md b/README.md
index f47d2ca..fa4708a 100644
--- a/README.md
+++ b/README.md
@@ -21,23 +21,21 @@ Other information can be found here: https://wiki.gnome.org/Apps/Recipes
 Building
 --------
 
-Dependencies (at least): autoconf-archive gobject-introspection json-glib-1.0 gnome-autoar-0 gspell-1 
libcanberra libappstream-glib
+Dependencies (at least): meson gtk+-3 gnome-autoar-0 gspell-1 libcanberra
 
-On debian stretch/sid:
-```
-apt install autoconf-archive gobject-introspection libjson-glib-dev libgnome-autoar-0-dev libgspell-1-dev 
libcanberra-dev libappstream-glib-dev
-```
+After the 1.0 release, Recipes has switched to exclusively use meson as build system.
 
-To build GNOME Recipes from git, use the following steps:
+To build Recipes from git, use the following steps: (note that the ninja tools is
+called ninja-build on Fedora)
 
 ```
 git clone --recursive git://git.gnome.org/recipes
 cd recipes
-./autogen.sh --prefix=<your preferred location>
-make
-make install
+rm -rf build
+meson --prefix=<your prefix> build
+ninja -C build
+ninja -C build install
 ```
-I list `make install` as the last step here, but Recipes works fine uninstalled as well.
 
 jhbuild also knows how to build recipes.