fix master ha bugs
Merge branch '0.5.x' of ssh://pomelo.com:29418/pomelo into 0.5.x
fix conflict
update restart mark && package.json

Change-Id: Iedf85a49cc35fdd46b301a4ddf305d20983f0c43
add before stop method feature

Change-Id: I097f7fc403c6f3f515436ce7a9b3b9f6f15c66ce
update before stop hook

Change-Id: I07fc2d2425f060c48cd276c0a9bae6a6239dcd27
fix bugs

Change-Id: Ieab756ed43259cbd49be69319d095fee1f1bd115
fix servers.json check true/false bug

Change-Id: Ie923b26d65a3a506d0e9a675aa6480a6d5336dbc
Merge branch '0.5.x' of github.com:NetEase/pomelo

Conflicts:
	package.json