and files that RS can DL seamlessly in the DL directory. Collection files are created from shared files
and can be handled by righ-clicking on them in Transfers and Shared files. Handling is based on the extension,
that must be "rscollection".
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4664 b45a01b8-16f6-495d-af2f-9b41ad6348cc
