Revert "Also remove the <ServiceProfile> wrapper"

This reverts commit e726a1e310903bacac6e7ddcb00471253fcbb118.
Revert "Don't include <xml> tags in generated IFCs"

This reverts commit 3e504c816f417fd62bd98db52d1df952853226d4.
Merge pull request #5 from Metaswitch/app_server_issues

[Reviewer: Rob][From: Alex] Move back to specifying IFCs with an enclosing <ServiceProfile> tag.