rename path to prepare jtap porting
jtap port
refine gae relay
bugfix for jtap
typeo
add jtapi welcome page
bugfix for subdomain
revert to /2
rename _g to _gh (internal goagent handler)
refine jtapi sub_domain
refine jtapi
rename jtapi to mirror
bugfix for mirror link
refine mirror
add user script to mirror
refine error
remove Accept-Encoding client header
bugfix for mirror
bugfix for mirror
refine app.yaml