v1.4.2fix4

v1.4.2 with fix4

1. add custom headers for web applications, and let custom 5-second shields and WAF templates instantly effective.
2. fix creation of new web applicaiton.
3. fix duplicate destinations for application.
4. fix save passwd for new user and clickable area for menu.
5. fix language switch under settings and add WAF/CC logs for all applicaitons.

Note: the releases with suffix -pro.tar.gz are professional edition (close source).