Add syntax highlighting to the editors.

[dmorgant]

During user testing, it was suggested that syntax highlighting in the editor would be helpful.

MB wrote: We would need a new editor that supports syntax highlighting for java (and any other languages we'd want to use), similar to what we do in server config tool for xml.  However, since we're very scripted in what the user is doing in the editor, I think the benefit would be quite minimal since they're not actually writing any new code.  Severity: low

Reported as part of user test review: https://ibm.ent.box.com/notes/357464733535?s=xd8grnzempji580yomgw7zm8gwug4c62