Replaced the Apache SIS logo on the build page, and updated sis-console description.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1491741 13f79535-47bb-0310-9956-ffa450edef68
Merge the logo update from the JDK7 branch.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK6@1491743 13f79535-47bb-0310-9956-ffa450edef68