Update versions to 0.12.1

gstreamer-app/Cargo.toml

 [package]
 name = "gstreamer-app"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer App library"

gstreamer-audio/Cargo.toml

 [package]
 name = "gstreamer-audio"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Audio library"

gstreamer-base/Cargo.toml

 [package]
 name = "gstreamer-base"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Base library"

gstreamer-net/Cargo.toml

 [package]
 name = "gstreamer-net"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Net library"

gstreamer-pbutils/Cargo.toml

 [package]
 name = "gstreamer-pbutils"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Base Utils library"

gstreamer-player/Cargo.toml

 [package]
 name = "gstreamer-player"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Player library"

gstreamer-rtsp-server/Cargo.toml

 [package]
 name = "gstreamer-rtsp-server"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Mathieu Duponchelle <mathieu@centricular.com>", "Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer RTSP Server library"

gstreamer-rtsp/Cargo.toml

 [package]
 name = "gstreamer-rtsp"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Mathieu Duponchelle <mathieu@centricular.com>", "Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Rtsp library"

gstreamer-sdp/Cargo.toml

 [package]
 name = "gstreamer-sdp"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Mathieu Duponchelle <mathieu@centricular.com>", "Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Sdp library"

gstreamer-video/Cargo.toml

 [package]
 name = "gstreamer-video"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer Video library"

gstreamer-webrtc/Cargo.toml

 [package]
 name = "gstreamer-webrtc"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer WebRTC library"

gstreamer/Cargo.toml

 [package]
 name = "gstreamer"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Sebastian Dröge <sebastian@centricular.com>"]
 categories = ["api-bindings", "multimedia"]
 description = "Rust bindings for GStreamer"