Remove NetworkState in OS X startup plist.
Merge branch 'develop', fix startup plist for Yosemite.
Remove SIGHUP catch up.
Add note for config COW as proxy for all protocol.
add support for changing the estimate timeout target
reduce the http error code detection report to debug
Merge pull request #237 from fzerorubigd/develop

add support for changing the estimate timeout target
Merge remote-tracking branch 'upstream/master' into dev
Merge remote-tracking branch 'upstream/develop' into dev