add gflags dependency doc
authorYangqing Jia <jiayq@google.com>
Thu, 24 Jul 2014 05:47:58 +0000 (22:47 -0700)
committerYangqing Jia <jiayq@google.com>
Thu, 24 Jul 2014 05:47:58 +0000 (22:47 -0700)
commitd13d6a2a642c2753588e867614a8bf6e3d81e80e
tree59ee3fe567d410819fcb97c5ceac85847ad5212e
parent15bc0f767fa0b8f12302f81e86654bd11daf8bea
add gflags dependency doc
docs/installation.md