Fix broken NEWS file
0.22.16
- See https://github.com/killbill/killbill/releases/tag/killbill-0.22.15
+ See https://github.com/killbill/killbill/releases/tag/killbill-0.22.16
0.22.14
- See https://github.com/killbill/killbill/releases/tag/killbill-0.22.12
+ See https://github.com/killbill/killbill/releases/tag/killbill-0.22.14
0.22.11
See https://github.com/killbill/killbill/releases/tag/killbill-0.22.11
