removed libtoolize from dependency

.travis.yml

@@ -15,7 +15,7 @@ before_install:
  - sudo apt-get build-dep gstreamer1.0
  - sudo apt-get install python-scipy
  - sudo apt-get install python-gi gir1.2-gstreamer-1.0 gir1.2-gst-plugins-base-1.0
- - sudo apt-get install autoconf automake autopoint libbz2-dev libdv4-dev libfaac-dev libfaad-dev libgtk-3-dev libmjpegtools-dev libtag1-dev libasound2-dev libtool libtoolize libvpx-dev libxv-dev libx11-dev libogg-dev libvorbis-dev libopencv-dev libcv-dev libhighgui-dev libv4l-dev pkg-config zlib1g-dev gtk-doc-tools yasm bison flex 
+ - sudo apt-get install autoconf automake autopoint libbz2-dev libdv4-dev libfaac-dev libfaad-dev libgtk-3-dev libmjpegtools-dev libtag1-dev libasound2-dev libtool libvpx-dev libxv-dev libx11-dev libogg-dev libvorbis-dev libopencv-dev libcv-dev libhighgui-dev libv4l-dev pkg-config zlib1g-dev gtk-doc-tools yasm bison flex 
 
 script: 
  - export PKG_CONFIG_PATH=/usr/lib/pkgconfig