Add crossfade
Remove code changes.  Replace with test/doc fix for cross_fade
Merge remote-tracking branch 'upstream/master' into crossfade

Conflicts:
	unittest/test_core.py
Make get_queue() return a SearchResult; add child_count to it.
Fixes for 'make lint'
get_queue: document max_items=0 and .child_count
fix
fix
fix
Add metadata to return structure of get_current_track_info
Merge remote-tracking branch 'origin/master' into get-queue-counts

Conflicts:
	soco/core.py
Merge remote-tracking branch 'origin/master' into get-queue-counts
revert
Add get_queue_size property and test

Bonus: added test for get_queue()
lint fix
Merge pull request #215 from dajobe/crossfade

Document cross_fade property and add test for it
Add test for all groups have a coordinator.

Some ZoneGroups have no coordinator set.
Amend zgs fixture for first group coordinator

The first ZoneGroup in the ZGS fixture nominated as coordinator a UUID not
present in that group.
Fix zone group built from zgs without coordinator.

Setting group coordinator to None inside the loop over group members cancels
a previous setting of the coordinator.
Add Release notes for 0.9