build: modernize meson invocations
Update README to use `meson xyz` invocations, rather than the older
ninja invocations.
@@ -61,12 +61,10 @@ documentation for detailed help. In most situations the following
commands are sufficient to build and install dbus-broker from source:
```
- $ mkdir build
- $ cd build
- $ meson setup . ..
- $ ninja
- $ ninja test
- $ ninja install
+ $ meson setup build
+ $ meson compile -C build
+ $ meson test -C build
+ $ meson install -C build
```
For custom configuration options see meson_options.txt.
