Fix lmbdb travis with openldap
Merge pull request #1067 from bhack/lmdb

Get lmdb from openldap
restore "red X" build failures in Travis
add -fPIC flag to CMake build
Merge pull request #1051 from jeffdonahue/travis-red-errors

restore "red X" build failures in Travis
fix out-of-date next ID comment for SolverParameter
fix spelling error in caffe.proto