added support for serialization tests
spring version update, managed spring-security version, flatten-maven-plugin
#93: improved NLS (made NlsMessage and NlsThrowable serializable, improved NlsBundle concept and ResourceBundle resolution to prevent producing exceptions)
#92: completely refactored to support both RPC and command style, added security (CSRF protection), added validation support (currently incomplete)
JavaDoc updated (GWT de-serialization)
completed move of Accessibility to util-core for common concerns
#97: switch to logback
GWT version consistence
#92: commit of related code changes (after refactoring)
#91: fix/workaround
#89: length/size handling latest improvements
handler improvements
validation update
#50: some small improvements
trained dict