removed out-of-date libraries
added tomcat 7 libraries
added commons logging API
replace uses of commons logging with Tomcat's containerLog
added commons-logging-api to build path
replaced override of start with startInternal
updated to Tomcat 7 API
reuse CAS_AUTH constant in CasAuthenticator
removed unneeded and incompatible method overrides
replaced start with startInternal
reduce visibility of startInternal
replaced start with startInternal
replaced start with startInternal
suppress unchecked conversion warnings
replaced start with startInternal
replace use of obsolete ServerFactory class
suppress unchecked type conversion warning
suppress unchecked type conversion warning
suppress unchecked type conversion warnings
use a type parameter for proxy granting ticket holder