Merge tag '1.5.0' into develop

v1.5.0

- New: upgrade to latest browsermob-proxy
- New: make the browsermob-proxy JAR a download, no longer bundled
Fix: typo in URL for chromedriver for 64-bit Linux
Version bump for bugfix release
Merge branch 'feature/1.5.1' into develop
Merge branch 'release/1.5.1'