1. Complete all log function, including view syslog and syslog configuration
2. Starting Service -> VRRPv2 function
3. Update start.py with better exception capture and handling
4. Fixed issue when add / edit bridge may cause dialog error
5. Add jQuery-UI required when load blockUI

!!!IMPORTANT!!!
1. Add Ajax varible for each ajax request. which can be abort when switch to other function / page
2. No need to empty all content inside popContent, just write once when switch function / page
3. Better event cleaner when backbone bind something, will remove and clean when switch function / page
4. Improve look and feel for each template page with fildset and legend tags