testcases/network: added mc_gethost binary to .gitignore

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
utils: .gitignore

Added .gitignore file into utils directory.
Added there all build stuff produced by ffsb compilation.
Moved there sctp-related stuff from testcases/network/.gitignore
(it was not done in 6f22494d19b605ded308dc0fa713e91cb873f44a).

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
testcases/kernel/fs/ext4-new-features: added .gitignore

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
module.mk: remove module_name.ko.unsigned files after build

I suppose we don't need to keep module_name.ko.unsigned files as of now.

If we do, we can add such files to correspond .gitignore files and update
CLEAN_TARGETS.

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
kernel/module/delete_module: added .gitignore

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
updated .gitignore for new tests in lib/tests

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>