So
animate x { ... }
is basically a short-hand for
PropertyAnimation {
...
}
<magically associated that animation with x whenever x is changed>
We could also support a shared animation syntax in the future:
blah := PropertyAnimation { ... }
animate x with blah;
animate y with blah;
This patch also adds a primitive PropertyAnimation struct, which will be
used by the generated code to collect the values specified in the .60
markup.
