Why are you installing both Boost 1.46 and 1.48 ?

When testing with Travis-CI (which uses Ubuntu 12.04), these are the packages I needed to install:
libboost-dev libboost-system-dev libboost-date-time-dev libboost-thread-dev liblua5.1-json

(the .travis.yml file)
https://github.com/ignacio/LuaNode/blob/master/.travis.yml