- added wrappers over Qt classes for seamless replacement if Qt is not available
- added bstrlib as submodule
- only UEFIExtract works with this changes for now, others will followa bit later
- thanks to NVAR extended headers, item tails are back
- fixed a bug with "Extract uncompressed" producing incorrect results
for multiple sections
- fixed detection and parsing of NVRAM external defaults file
- fixed "Extract as is" on NVAR entries not including extended header
- small bugfixes and refactorings
- nothing major, just reworks and preparations for the new rebuild code
- added try / catch bad_alloc to prevent crashes during decompression of
malformed Tiano/EFI11 compressed data
- files split into common and app-specific ones
- messages from parser and finder separated
- ffsEngine split into multiple classes to reduce complexity
- still no image rebuild
