tag 0.3 mainly for the libosmocore () vs (void) API fix

1. 81e6227 jenkins.sh: Fix printed URL of osmo-ci git repository by Harald Welte · 1 year, 7 months ago
2. 1a469b3 contrib/jenkins: don't build osmo-gsm-manuals by Oliver Smith · 3 years, 5 months ago
3. 54fc223 jenkins.sh: disable 'publish' of manuals; we don't have any yet by Harald Welte · 4 years, 7 months ago
4. 645fa46 add contrib/jenkins.sh by Harald Welte · 4 years, 8 months ago