remove precise cruft

CI/before_install.linux.sh

@@ -1,22 +1,17 @@
 #!/bin/sh
 
 if [ "${ANALYZE}" ]; then
-  if [ $(lsb_release -sc) = "precise" ]; then
-    echo "yes" | sudo apt-add-repository ppa:ubuntu-toolchain-r/test
-  fi
   echo "yes" | sudo add-apt-repository "deb http://llvm.org/apt/`lsb_release -sc`/ llvm-toolchain-`lsb_release -sc`-3.6 main"
   wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key|sudo apt-key add -
 fi
 
 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
-echo "yes" | sudo apt-add-repository ppa:boost-latest/ppa
 sudo apt-get update -qq
 sudo apt-get install -qq libgtest-dev google-mock
-sudo apt-get install -qq libboost-filesystem1.55-dev libboost-program-options1.55-dev libboost-system1.55-dev libboost-thread1.55-dev
-sudo apt-get install -qq ffmpeg libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libswresample-dev
+sudo apt-get install -qq libboost-filesystem-dev libboost-program-options-dev libboost-system-dev libboost-thread-dev
+sudo apt-get install -qq libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libswresample-dev
 sudo apt-get install -qq libbullet-dev libopenscenegraph-dev libmygui-dev libsdl2-dev libunshield-dev libtinyxml-dev libopenal-dev libqt4-dev
-sudo apt-get install -qq cmake-data #workaround for broken osgqt cmake script in ubuntu 12.04
 if [ "${ANALYZE}" ]; then sudo apt-get install -qq clang-3.6; fi
 sudo mkdir /usr/src/gtest/build
 cd /usr/src/gtest/build