.travis.yml: Install Python bindings to DRMAA as SGE installation is now working.
.travis.yml: Install Python bindings to DRMAA as SGE installation is now working.

nanshe-org/nanshe,DudLab/nanshe,nanshe-org/nanshe,jakirkham/nanshe,jakirkham/nanshe,DudLab/nanshe