boost-1.50 is required, trying to figure out which versions are available at travis

Might have to install headers manually

.travis.yml

@@ -15,7 +15,7 @@ notifications:
 before_install:
   - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
   - sudo apt-get update
-  - sudo apt-get install libboost-dev
+  - sudo apt-cache search libboost
   - if [ "$CXX" = "g++" ]; then sudo apt-get install g++-4.8; fi
   - if [ "$CXX" = "g++" ]; then export CXX="g++-4.8" CC="gcc-4.8"; fi
 

examples/CMakeLists.txt

@@ -11,7 +11,7 @@ build(insert)
 build(update)
 build(remove)
 build(select)
-find_package(Boost 1.46)
+find_package(Boost 1.50)
 if(Boost_FOUND)
   MESSAGE(${Boost_INCLUDE_DIRS})
   include_directories(${Boost_INCLUDE_DIRS})