Add ; escaping on java/jvm opts

This add escaping on ; character inside enviroment properties $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS. Without single quotes ; character inside options parameters will be dropped. 
Example:
$JAVA_OPTS = "-Dhttp.proxy.password=;jgfjcmvbyjuf" become 
"-Dhttp.proxy.password=<newline>jgfjcmvbyjuf" with resulting error on gradle invocation