Merge branch 'master' of github.com:senseidb/sin
Upgrade to the latest sensei.
add deployer for systems with apt-get.
do not use fullpath for cronolog.
host check diabled by default.
find_doc returns string, load into json.
upgrade sensei ui.
add dynamicTimeRange to the ui.
first upgrade to lastest sensei.
Start shell ``sh'' on remote server in deployment script.
Add options to disable host checking.
Fix problem when user environment values are different.
add launchd script.
login to root to do the init run.
detect hostname changes in settings; deploy is working on mac.
do not create empty members.
get broker host from members only.
Fix wrong error messages.
track first and then send to kafka.
Fix store name problem
config backup and restore.
fix client problem.
Fix deploying problems.
upgrade to new sensei.
add debuging code.
Fix cleanup errors.
Fix repo change.
Remove unused api response.
do not block sin server from starting without kafka.
Merged from master.