Merge pull request #525 from Arakis/patch-1

Update mcs/class/System/System.Media/AudioData.cs
[monodoc] More forgotten dist files
Fix support for delegates+unbox trampolines in full-aot mode.
Add MONO_WRAPPER_UNBOX to mono_marshal_method_from_wrapper.
[corlib] Fix ASCIIEncoding with custom DecoderFallback.

Only pass one single byte to DecoderFallback.Fallback(),
throw if there's not enough space in the char array.
[WCF]: Fix MessageEncoder.IsContentTypeSupported().

Use the internal 'Channels.ContentType' class to parse the
content type, make then comparision case-insensitive and ignore
missing parameters.
Keep objects returned by sdb alive during suspensions to avoid ObjectCollectedExceptions during debugging. Fixes #1446, #2246 and #6918.
update rx revision (only in our own branch, mostly for mobile changes).
Fix bug 9116 (https://bugzilla.xamarin.com/show_bug.cgi?id=9116)

Need to use .Equals() for comparison instead of the "!=" operator, as != will do a reference comparison in the case of boxed value types.
Merge pull request #526 from Daniel15/bug-9116

Fix Xamarin bug #9116
Exclude LogicalCallContext as the required remoting infrastucture not available on MonoTouch
Fix Xamarin bug #9133 - Routes should be case insensitive.
Merge pull request #527 from Daniel15/bug-9133

Fix Xamarin bug #9133 - Routes should be case insensitive
Two small typo fixes.
[System.Configuration]: Fix IsModified() logic for complex elements.
[sgen] Don't just allow concurrent collections on nursery collections.

Some workloads allocate mainly large objects, so if we just trigger
major collections on nursery collections we never actually collect.
Avoid an assert which is hit when a 3.0 runtime loads a 2.10 corlib. Fixes #9137.
[Microsoft.Build.Tasks] Delete files before copying the new one over

Handle the case where a process has mmap'ed one of the binaries which
we are trying to copy over. In this scenario we must delete the file
first otherwise we will 'corrupt' the data in memory.

Fixes bug https://bugzilla.xamarin.com/show_bug.cgi?id=9146
Add argument name to ArgumentOutOfRangeException
Add missing ConfigureAwait