Fix and refactor manifest parsing

Fix a CMS signature reading expected token.
Fix the necessity of a empty line in the end of the manifest.
Implement CMS signature, Source checksum algorithm and digest reading.
Indicate the line number and content when a manifest error occurs.
Remove unnecessary recursive reading.
Centralize manifest tokens.
Improve tests by checking the expected error.
Document the code.

Change-Id: I7d12020d8922fc5d4c8d9f238557dfbcc0b65757
Issue-ID: SDC-2563
Signed-off-by: andre.schmid <andre.schmid@est.tech>

0 files changed, 0 insertions, 0 deletions