add snpshot
add snapshot
gofmt
do not print out debug info when testing
cleaning up
fix naming in long_test.go
remove duplicate codes
remove duplicate codes
clean up trans.go
change name to url in http handlers
log remoteAddr in etcdHttpHandler
add comments in snapshot.go
Merge pull request #86 from xiangli-cmu/master

Change snapshot to clientside
use filepath
fix doc