* When opening a capture file, a format is now available to allow
easy import from another format without a completely different
interface. Only rdc files can be replayed, but any other file can
load and access structured data through the same interface.
* The replay initialisation and capture writing interfaces also use the
RDCFile instead of passing filenames or Serialisers around directly.
Driver initialisation parameters are now entirely private, and don't
need to be exposed - any agnostic metadata like thumbnail, driver, etc
are all accessed via the RDCFile container itself.
* Callstack resolution is now part of the container file, not the
back-end via way of its Serialiser.
* Importers/Exporters to other non-RDC formats are registered in a
similar way to replay/remote drivers.
* It is also then possible to construct an RDC file from thin air, by
creating an empty RDCFile container and filling it with data, then
requesting it to be written to disk.
* Since these types are more prevalent than originally designed, it
makes more sense to remove the namespace for ease of typing/naming.
* Also add a specialised type 'bytebuf' for an array of bytes.
* This makes mapping easier to SWIG since there's no special casing for
namespaced arrays. Especially so for nested cases like
rdctype::array<rdctype::str> -> rdcarray<rdcstr>
* Added a couple of utility macros to help with the conversion. lit() is
paired with tr() for untranslated text.
* QFormatStr is more explicitly for non-textual formatting strings.
* Both are just #define'd to QStringLiteral()
baldurk