Merge branch 'dev' of github.com:ucoin-io/sakia into dev

ci/travis/before_install.sh

@@ -25,7 +25,7 @@ then
             libxcb-image0-dev libxcb-shm0 libxcb-shm0-dev libxcb-icccm4 libxcb-icccm4-dev \
             libxcb-xfixes0-dev libxrender-dev libxcb-shape0-dev libxcb-randr0-dev libxcb-render-util0 \
             libxcb-render-util0-dev libxcb-glx0-dev libgl1-mesa-dri libegl1-mesa libpcre3-dev \
-            curl libdbus-1-dev libdbus-glib-1-dev autoconf automake libtool libssl
+            curl libdbus-1-dev libdbus-glib-1-dev autoconf automake libtool libgstreamer-plugins-base0.10-0
 
     wget https://download.qt.io/official_releases/qt/5.5/5.5.1/qt-opensource-linux-x64-5.5.1.run
     chmod +x qt-opensource-linux-x64-5.5.1.run
@@ -97,4 +97,4 @@ then
     make -j 2 && make install
     pyenv rehash
 
-fi
\ No newline at end of file
+fi