Bump version defines to v1.5.0

Use HWM if LSO is invalid to signal EOF

Version v1.4.4

Version v1.4.4

broker_version_tests.py: fix python3 porting issue

Changelog: add note on requiring Python3

Changelog: add note on requiring Python3

Use dedicated Travis worker for RPM packaging to avoid timeouts

It runs for a long time, it really does.

Use dedicated Travis worker for RPM packaging to avoid timeouts

It runs for a long time, it really does.

RPM: Require openssl >= 1.0.2 on CentOS >= 7