Migrate to the new container architecture.

.travis.yml

 language: c
 
+sudo: false
+
 env:
   matrix:
     - CONDA_PY=2.7

devtools/ci/install.sh

@@ -11,9 +11,6 @@ PIP_ARGS="-U"
 
 export PATH=$HOME/miniconda/bin:$PATH
 
-sudo apt-get update
-#sudo apt-get install -qq -y g++ gfortran csh g++-multilib gcc-multilib openbabel
-
 conda update --yes conda
 conda config --add channels http://conda.binstar.org/omnia
 conda install --yes conda-build jinja2 binstar pip