writing automatic updater
show version number at start-up
add version manifest
show version number at start-up
writing automatic updater
fix version number
Fetch available versions
download latest release in autoupdater
Show version information correctly in updater
fix confirmation before upgrade
fix syntax error
use temporary directories
Implemented auto updater
fix path error in cp command
Fix bugs and add upgrade necessity check
Merge pull request #6 from tengyifei/AutoUpdate

One-click update HHVM and Nginx binaries