Update-Radar-spring-security-configuration file.

Update the spring-security schema to 3.1 version in
context-security.xml.
138-added success/fail message to edit page.

Added success/fail message to edit page.
115-Bug fixing.

Fixing the jstl.jar missing, superadmin read all join requests and so
on.
Merge pull request #60 from richardli5945/develop

Radar startup error, 115 and 138