Fix broken URL's when building

Some URL's have moved since the build.xml file was last updated.
You can see the [Travis-CI](http://travis-ci.org/MrTJP/ProjectRed) has been failing recently due to missing files.
Tested locally and all files download as expected.
I am now getting Scala errors which need to be addressed, I am aware that is a TODO (see e0bcf250bc590d41a21932a4ced00d80a9ae79d7 commit message)