Fix the date time set in file by removing the ':'.

This is the same code than the one under SendCore. The date time should
not have the : (time zone offset) to be able to use the file.
[mcs] Recognize await as simple name in type context
[mcs] Fix scope initialization for exception filters using hoisted lambdas with awaited catch clause
[mcs] Fix emit of array access with awaited indexer expression and result field write.
[mcs] Emit side effects of reduced probing expression
[System.Net.Http] Fix disposing of DelegatingHandler. Fixes #20818
[corlib] Fix racy test
Merge pull request #995 from yjoly/master

Fix the date time set in file by removing the ':'.
[sgen] Nicer sgen-grep-binprot output.

Indent events that are always printed so that the ones we're grepping
for are more easily recognized.
[sgen] Binary protocol freeing whole M&S blocks.
[aot] Fix the decoding of MonoJitInfo. Fixes #16439.
[amd64] Fast OP_LREM_IMM for power of two operands.

This was the reason for one of our bad performance results in the
paper "Clash of the Lambdas" by Biboudis, Palladinos, Smaragdakis:

http://cgi.di.uoa.gr/~biboudis/clashofthelambdas.pdf
Merge pull request #1126 from schani/feature-fast-lrem-imm

[amd64] Fast OP_LREM_IMM for power of two operands.
Fix a warning.
[mcs] Handle side effect constants in await context
[mcs] Add experimental value changes notifications to evaluator
[System.Web] Disable AppResourcesCompilerTest for now.

This is a stopgap measure: This test hangs a *lot* on Jenkins
and it's only being disabled to get stable-ish builds. It's
being actively investigated still.
[mcs] Allow unsafe code in async block when scope does not need variable capturing
[xbuild] Add 4.5.1 framework. Fixes #20827
[mcs] Fix array access of value type compound assignment with awaited argument