Export doesn't work for Raw data

[Nicklas Nordborg]

Probably because the new "subcontext" setting isn't passed to the generic export page, which then doesn't know where to look for the query stored in the context.

Do:

1. Add subcontext to redirection url in /views/rawdata/index.jsp
2. The /common/export/index.jsp page must be aware of the subcontext and pass it on to following pages

Also:

1. All other plugin invokation pages, ie. import and run plugin must be aware of the subcontext.