added uuid-dev which is now required during building

.travis.yml

@@ -11,7 +11,7 @@ before_install:
  - echo "yes" | sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu `lsb_release -sc` main universe restricted multiverse"
  - echo "yes" | sudo apt-add-repository ppa:openmw/openmw
  - sudo apt-get update -qq
- - sudo apt-get install -qq libboost-all-dev libgtest-dev google-mock libzzip-dev
+ - sudo apt-get install -qq libboost-all-dev libgtest-dev google-mock libzzip-dev uuid-dev
  - sudo apt-get install -qq libqt4-dev libxaw7-dev libxrandr-dev libfreeimage-dev libpng-dev
  - sudo apt-get install -qq libopenal-dev libmpg123-dev libsndfile1-dev
  - sudo apt-get install -qq libavcodec-dev libavformat-dev libavdevice-dev libavutil-dev libswscale-dev libpostproc-dev