Fix application of bitmap smoothing flag in shape rendering

Since the split into path deserialization and path rendering, the flag wasn't properly applied. Instead, the last-deserialized value was used for everything.
Fix bug in AMF0 serialization

ECMA Arrays where tagged as numbers. Fixes the encoding1 trace test.
Merge pull request #1575 from tschneidereit/master

Fix application of bitmap smoothing flag in shape rendering and AMF0 Array encoding