backport to ALTLinux p8 (by rpmbph script)

fix getgrnam_r and getgrgid_r using, increase buffer

Fixed fgetc and realloc usage.

Merge git.alt branch

Skip blank lines in the config file

Fix devel-file-in-non-devel-package rpmlint violation
Add comments to configuration due rpmlint violation

Replace /etc/nsswitch.conf with %_sysconfigdir/nsswitch.conf

Fix module version

Add comment support

Fix version

Bug fixing

Add new parsing rules
Update mans
Code style and bug fixing
Delete cpp implementation

Fixed librole_reading() error handling
Set unlimit group len at parse_line()
rolelst prints group names instead of gids

Fixed bugs in pam_check and parser
Add error messages

Fixed passing sisyphus-check

Migrated to c-language utilites
Bugs' fixing