Try to fix travis

.travis.yml

@@ -7,30 +7,25 @@ rust:
 - stable
 addons:
   apt:
+    sources:
+    - sourceline: 'ppa:gnome3-team/gnome3-staging'
+    - sourceline: 'ppa:gnome3-team/gnome3'
     packages:
     - libasound2-dev
     - libgdk-pixbuf2.0-dev
     - libglib2.0-dev
     - libgtk-3-dev
     - libnotify-dev
+    - libpng-dev
     - libx11-dev
     - pkg-config
-    # for build.sh
-    - gperf
-    - libegl1-mesa-dev
-    - libfreetype6-dev
-    - libmount-dev
-    - libpng-dev
-    - libxml-parser-perl
-    - libxtst-dev
-    - xutils-dev
 before_script:
 - |
   pip install 'travis-cargo<0.2' --user &&
   export PATH=$HOME/.local/bin:$PATH
 script:
 - |
-  ./.travis/build.sh
+  travis-cargo build
   # travis-cargo test &&
   # travis-cargo --only stable doc
 # after_success:

.travis/build.sh

@@ -1,15 +0,0 @@
-#!/bin/sh
-
-set -x
-set -e
-
-BUNDLE="gtk-3.18.1-2"
-WD="$PWD"
-cd "$HOME"
-git clone https://github.com/gkoz/gtk-bootstrap.git
-cd gtk-bootstrap
-./bootstrap.sh "$WD/.travis/manifest.txt"
-cd "$WD"
-export PKG_CONFIG_PATH="$HOME/local/lib/pkgconfig"
-
-travis-cargo build

.travis/manifest.txt

@@ -1,13 +0,0 @@
-https://dbus.freedesktop.org/releases/dbus/dbus-1.11.14.tar.gz
-https://launchpad.net/intltool/trunk/0.51.0/+download/intltool-0.51.0.tar.gz
-https://github.com/anholt/libepoxy/releases/download/1.4.3/libepoxy-1.4.3.tar.xz
-https://www.freedesktop.org/software/fontconfig/release/fontconfig-2.12.4.tar.gz
-https://www.freedesktop.org/software/harfbuzz/release/harfbuzz-1.4.6.tar.bz2
-https://download.gnome.org/sources/glib/2.53/glib-2.53.3.tar.xz
-https://download.gnome.org/sources/atk/2.25/atk-2.25.2.tar.xz
-https://download.gnome.org/sources/at-spi2-core/2.25/at-spi2-core-2.25.4.tar.xz
-https://download.gnome.org/sources/at-spi2-atk/2.25/at-spi2-atk-2.25.3.tar.xz
-https://www.cairographics.org/releases/cairo-1.14.10.tar.xz
-https://download.gnome.org/sources/pango/1.40/pango-1.40.6.tar.xz
-https://download.gnome.org/sources/gdk-pixbuf/2.36/gdk-pixbuf-2.36.6.tar.xz
-https://download.gnome.org/sources/gtk+/3.22/gtk+-3.22.16.tar.xz