Supports service auto re-registration when ZK session expires.
Upgrade version
Added documentation.
added code from github.io/weave
Merge branch 'mybranch'

:wq
testing code and link formatting
Merge branch 'mybranch'
testing code and link formatting
Merge branch 'mybranch'
testing code and link formatting
Merge branch 'mybranch'
testing code and link formatting
Merge branch 'mybranch'
edits
Merge branch 'mybranch'
edits
Merge branch 'mybranch'
edits
Merge branch 'mybranch'
edits