[example] fix broken links in ImageNet recipe
[docs] fix find complaint in example gathering script
[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