* merge conflict

* modify caffe_gpu like caffe_cpu

* fix caffe compile bug

* Update caffe_cpu.BUILD

* Update caffe_gpu.BUILD

* [perception] modify caffe build files with bazel gflag and glog

* [perception] (1) modify caffe build files with system boost (version 1.54); (2) fix Caffe set mode bug in 'cnn_segmentation.cc'; (3) modify --pointcloud_topic with '/apollo/' in 'perception.conf'