Release v1.3.0 on 2018-05-03.

1. b6f6c23 .gitignore: cosmetic: use globs to ignore test binaries by Neels Hofmeyr · 7 years ago
2. a1756f3 Implement IuCS (large refactoring and addition) by Neels Hofmeyr · 8 years ago
3. f817814 Add msc_vlr test suite for MSC+VLR end-to-end tests by Neels Hofmeyr · 7 years ago
4. 9e95604 join openbsc/.gitignore with .gitignore by Neels Hofmeyr · 7 years ago
5. cea35ae ignore debian build byproducts by Max · 9 years ago