Added excpetion handling while connecting to zookeeper. Also fixed some pep8 issues
Added reconnect logic for redis connection
Support dynamic change of tunnel encapsulation - handle NH change for existing VM in case of encap change
Cosmetic changes - rename of variable and addition of logs/comments
Start syslog listeners only if configured and not by default
Add service chain and static route sandesh UT
Merge branch 'master' into utcov
Instance provisioning test
Merge pull request #217 from Juniper/meghb_github

Start syslog listeners only if configured and not by default
Protect read and write of generator statistics using mutex
Rename mutex_ to smutex_ since it is used for statistics
Merge pull request #221 from Juniper/meghb_vizd

Protect read and write of generator statistics using mutex
Merge branch 'master' of github.com:Juniper/contrail-controller
Update fabric script
Rename instance config test
Remove SyslogPort from contrail_ports.h
Patch in:
commit 6f425af08f02ed6c6bf676c25864ed0f0d3554ad
Author: Megh Bhatt <meghb@juniper.net>
Date:   Tue Jan 21 14:11:39 2014 -0800

    1. Allow generators to not start HTTP introspect by passing
       -1 as HTTP port in init_generator pysandesh
    2. Add UveInterVnStats, InterVnStats, virutalmachine_list to
       UveVirtualNetworkAgentTrace message in mock generator
    3. Allow user to specify number of instances per generator
       and number of virtual networks
Merge pull request #222 from Juniper/meghb_mock

Patch in: 6f425af08f02ed6c6bf676c25864ed0f0d3554ad
Merge branch 'master' into sb
Add ability to send flow sandesh messages in mock_generator via
--num_flows_per_instance option