IBus 1.5.29 Beta1 is released

[Takao Fujiwara]

IBus 1.5.29 Beta1 is released.
https://github.com/ibus/ibus/releases/tag/1.5.29-beta1

Now Wayland is enabled by default. You can disable it with
`./configure --disable-wayland` option.

Now I changed the IBus release planning below.
https://github.com/ibus/ibus/wiki/Release-Planning

The beta releases are still under constructing new features.
The official ibus-1.5.29 will be a little later than usual.

[Takao Fujiwara]