AirFoil will not return CSeq, so skip checking if it's missing
Fix .url files crashing forked-daapd and remove "support" for these.

An .url file would lead to a crash due to codectype being null. This
is fixed with this commit, but at the same time support for these
files is completely removed, since even with the bug fixed .url
(and .pls) files would not stream.
Fix .url files crashing forked-daapd and remove "support" for these.

An .url file would lead to a crash due to codectype being null. This
is fixed with this commit, but at the same time support for these
files is completely removed, since even with the bug fixed .url
(and .pls) files would not stream.
Fix indentation
Adds support for URLs (streaming) in m3u playlist files.

Also added a few file types that the filescanner should ignore.
Exclude streams/URLs (data_kind = 1) from most listings.
Revert "Exclude streams/URLs (data_kind = 1) from most listings."

This reverts commit 8260841f1783e17bb4fa5ae0bf44e9f4911d375b.
Merge branch 'streaming'