add invalid connection handle method
update invalid connector info && add data signature feature
connectionService return uid

Change-Id: Id51b33ed0bd838e0d3f690711f363df534a98ce5
add status component
add pushByUid method for statusService
update sessionService for status component
add max connections feature
pomelo add default admin modules

Change-Id: Ie3e62092d528c08a16aedb6b33fee8b902908d95
Merge "connectionService return uid" into 0.6.x
Merge "pomelo add default admin modules" into 0.6.x
update registerAdmin to map {serverId:adminModule}

Change-Id: I6d5390953ffb5ff43f35f2f7b0360bf01cf64473
review proxy & add proxy.name

Change-Id: I0deb5aa8f6e720da5abac3ffebc6c71ad1a030b6
adjust changes
add remote component name __remote__

Change-Id: I14504ad5415ece2a6b758a5928166ce2882451c2
Merge "add status component" into 0.6.x
Merge "add pushByUid method for statusService" into 0.6.x
Merge "update sessionService for status component" into 0.6.x
Merge "update registerAdmin to map {serverId:adminModule}" into 0.6.x
Merge "review proxy & add proxy.name" into 0.6.x
Merge "add max connections feature" into 0.6.x