* ConvertTime (DateTime, TimeZoneInfo) now correctly takes the date kind from the DateTime parameter
      and uses it to select the source time zone according to this criteria:

         if DateTime kind is Utc, use TimeZoneInfo.Utc as source, in all other cases use TimeZoneInfo.Local

    * Move argument checks in ConvertTime (DateTime, TimeZoneInfo, TimeZoneInfo) so that there's no risk of a NREX
      should sourceTimeZone be null.

Added relevant tests for all of the above changes.

Otherwise this happens:

    MCS     [monotouch] Mono.CSharp.dll
    ../../mcs/codegen.cs(294,7): error CS1061: Type `System.Reflection.Emit.ILGenerator' does not contain
    a definition for `BeginExceptFilterBlock' and no extension method `BeginExceptFilterBlock' of
    type `System.Reflection.Emit.ILGenerator' could be found. Are you missing an assembly reference?

Disable bug-18026.exe when running tests in the CI environment

The test performed in bug-18026.exe can sometimes fail if the hazard
table gets full. Disabling it in CI testing avoids unwanted noise.

See https://bugzilla.xamarin.com/show_bug.cgi?id=19235

xml type parameters have no size specifier

This makes it more explicit and will further simplify the agent.

The runtime category is for high level counters on runtime operations.
Things like number of threads, threadpool status, total memory consumption
and so on.

The system category is for synthetic counters that report system values
such as RSS, user time and load.

DataRowView indexer should not break on "completed" added rows (any rows other than the IsNew one)

../../libgc/alloc.c: In function ‘GC_stopped_mark’:
../../libgc/alloc.c:501:9: error: implicit declaration of function ‘GC_cond_register_dynamic_libraries’ [-Werror=implicit-function-declaration]
         GC_cond_register_dynamic_libraries();

This accounting mode logs the "cost" of each bridge-object during bridge processing.
This should give a very good first clue on how expensive each object is.

My previous changes modified the way how we're handing the request body when
resending a request due to a 30x redirection.

Authentication is a "special" form of redirection because we sometimes need
to resend a request with additional authentication headers.  Unfortunately,
I forgot this, causing a regression which is now fixed.

This has been reported as bugs #19119 and #19068.

[jit] Fix an unreachable code part in mini_emit_memset (). Fixes #19083. Thanks to Bill Seurer for spotting it.

Travis simply doesn't give us anywhere near enough execution time
to run runtime tests + BCL tests.