* Optimized functions calls (changed return type of all file_progress_show*() functions)
* Reworked for use global structure FileOpTotalContext
* Moved declarations of file_progress_show*() functions from fileopctx.h to filegui.h
* Code for calculate progressbar's variables was moved into function copy_file_file_display_progress()
* Progressbar for little files now shows always 100% (for visible effect)
* Added i18n string '< 1 sec'
* Rework of progress copy dialog
Signed-off-by: Slava Zanko <slavazanko@gmail.com>
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>