[example] fix example names
add necessary input checks for matcaffe
Merge pull request #888 from ronghanghu/matcaffe-add-check

add necessary input checks for matcaffe
Fix the gflags namespace issue
Distribute the generated proto header files
Merge pull request #892 from kloudkl/distribute_generated_proto_headers

Distribute the generated proto header files
Merge pull request #891 from kloudkl/gflags_namespace

Fix the gflags namespace issue
default raw_scale in python scripts to ImageNet model value
output loss for caffenet and alexnet train/val models
fix formatting error in blob.hpp
Add a leveldb option function in io.hpp/cpp
mean-variance normalization layer
reduced blas calls
lint
addressed Jeff's comment
Merge pull request #904 from Yangqing/sweep

Add a leveldb option function in io.hpp/cpp
added cross-channel MVN, Mean-only normalization, added to layer factory, moved to common_layers
minor fix for layer factory
lint
[docs] sorting of examples. if doesn’t work for you, update jekyll.