lint targets should depend on the lint script itself
Add caffe/alt_fn rule to lint checks to check for functions (like memset
& memcpy) with caffe_* alternatives that should be used instead.
Create caffe_{,gpu_}memset functions to replace {m,cudaM}emset's.
Fix caffe/alt_fn lint errors.
Merge pull request #863 from jeffdonahue/lint-check-caffe-fns

add lint check for functions with Caffe alternatives (memcpy, memset)