Revert "AESinkPULSE: Let Engine handle our volume"

This reverts commit 566e0efb7617bcf78063b6a3ad9ccc4005f39a70.
AESinkPULSE: Restore and sync volume with external programs
AESinkPULSE: Change samplerate to pulseaudioserver rate
AESinkPULSE: return false if device could not be found
[depends] - add missing dependency for python native (needs libz-native)
[shairplay] - backport of https://github.com/juhovh/shairplay/commit/ac9240fa569df5a10d534a4cd45740a44ee00f63 - fixes race between ipv4 and ipv6 socket acceptance
[shairplay] - backport of https://github.com/juhovh/shairplay/commit/8e6795779558d2828aef14078fefbcadd5323fa6 - fixes passwd auth with itunes
[win32/shairplay] - bump package to version with those 2 backports
[WIN32] changed: add bitstream formats for hdmi even though windows reports them as not supported
AESinkALSA: Notice user if we add data formats manually
AE: add sanity checks to sink factory
[darwinsink] - increase the initial startup timeout of the sinks to 4500ms
and log error case
Merge pull request #4466 from Memphiz/dependsfix

[depends] - add missing dependency for python native (needs libz-native)
Merge pull request #4472 from FernetMenta/aefixes

Aefixes
Merge pull request #4471 from Memphiz/sinktimeout

[darwinsink] - increase the initial startup timeout of the sinks to 1900...
[pvr] fix: set flag UserSetIcon if channel icon is changed in pvr channel manager

If an user set its own icon for a channel, this one is reset to null upon xbmc restart because UserSetIcon flag is not set.
[pvr] fix: non-existing icons will never be delete from the database
[pvr] use also custom channel name to search for channel icon

If an user set a custom channel name for a pvr channel, this name should
also be used when searching for an icon.
Merge pull request #4477 from xhaggi/pvr-icon-fixes

[pvr] fixes related to chanel icons
Merge pull request #4476 from Memphiz/shairplayfix

[shairplay] - upstream backports - fix password protection and socket race condition