Fill the artifacts map with all artifacts uploaded with success

[nfalco79]

Actually the artifacts are not gather from the uploader. These changes permits fix the the Uploader implemtation to gather them when upload with success an aritfacts and fill correctly the action linked in the build page

There is a bug server side that does not permit to have an artifact URL using the channel name. It work only if the channel in a artifact URL the is in the form of id

• http://pdrone.acme.com/channel/TDS-ModelGenerator-Snapshot/view works
• http://pdrone.acme.com/channel/TDS-ModelGenerator-Snapshot/artifacts/32f1dd63-2137-4c82-85df-8c0e6038594f/view does not work
• http://pdrone.acme.com/channel/6cfe9be4-9371-41c6-ba5e-f626913383bb/artifacts/32f1dd63-2137-4c82-85df-8c0e6038594f/view works

[nfalco79]

Suspended until #17 was completed

[coveralls]

Coverage increased (+0.3%) to 19.393% when pulling 1a857c6e50c11ad38c07e8b069fdda927d6bfade on feature/fill-artifacts into 23d912551f18fd0efed01ddbcf0ed713726986a8 on master.

[coveralls]

Coverage increased (+0.3%) to 19.393% when pulling 1a857c6e50c11ad38c07e8b069fdda927d6bfade on feature/fill-artifacts into 23d912551f18fd0efed01ddbcf0ed713726986a8 on master.

[coveralls]

Coverage increased (+2.1%) to 33.333% when pulling 91a50317c7a43f264102711fd74d6e0e97009a77 on feature/fill-artifacts into f9051670f0ad2b36bcf84ff4568570c381b91304 on master.