add function faketimezero
[ok] Added gnu folder (bootstarp), needed for sorting modification)
[ok] Sorting feature candidate
[ok] Removed unwanted gnu/.deps folder
Merge remote-tracking branch 'jarekb/master'
add function faketime-reference
Merge remote-tracking branch 'vyrly/master'
Merge remote-tracking branch 'jarekb/master'
removed int f_d variable from  faketime-reference in tar.c
add sort-input flag
Merge remote-tracking branch 'jarekb/master'
[ok] add flag --sort-input
[bad] cleanig