Add ppa for gflag and glog
Update CUDA to version 6.5 in the Travis install script
fix out-of-date next ID comment for SolverParameter
fix spelling error in caffe.proto
Fix comments
Fix a little typo
Merge pull request #1076 from kloudkl/cuda-6.5

Update CUDA to version 6.5 in the Travis install script
Merge pull request #1077 from bhack/glog_ppa

Add ppa for gflag and glog