v0.29.0

ABI changes

• mirserver ABI bumped to 46

Enhancements

• Update docs to reflect recent changes
• Initial cut at integrating Wayland conformance tests
• Fix Wayland conformance test failures
• Fix build & runtime issues on Fedora 26, 27 & rawhide
• benchmarks: Use standard options to install perf framework on non-Debian distros
• Test (and fix) SeatObserver
• Added the "smoke test" script from old CI

Bugs fixed

• [mir_demo_server] extend (not replace) the default error reporting. (LP: #1728581)
• Releasing Wayland buffers must occur on the executor thread. (LP: #1728069)
• [miral-desktop] Check that user is logged into the VT before using it. (LP: #1728574)
• Allow alternative cursor themes to be specified in a list. (Fixes #16)
• Enable screen capture to SHM buffers. (Fixes #47)
• Get mirscreencast working on Fedora. (Fixes #38)
• [miral-shell] Check for titlebars when placing windows. (Fixes #37)