more travis updates

.travis.yml

@@ -3,11 +3,11 @@ compiler:
   - gcc
 before_install:
  #- sudo apt-get install libboost-chrono1.48-dev libboost-regex1.48-dev libboost-system1.48-dev libboost-thread1.48-dev libboost-test1.48-dev libboost-random1.48-dev -y
- - sudo add-apt-repository -y ppa:boost-latest/ppa && sudo apt-get update -q && sudo apt-get install -y boost1.55
+ - sudo add-apt-repository -y ppa:boost-latest/ppa && sudo apt-get update -q && sudo apt-get install -y libboost-chrono1.55-dev libboost-random1.55-dev libboost-regex1.55-dev libboost-system1.55-dev libboost-thread1.55-dev libboost-test1.55-dev
 env:
   global:
     - BOOST_INCLUDES=/usr/include
-    - BOOST_LIBS=/usr/lib
+    - BOOST_LIBS=/usr/lib/x86_64-linux-gnu
 script: scons -j 2 && scons test
 branches:
   only: