[FIX] Do not use chunked encoding with CGI/FastCGI
it's forbiden by http://tools.ietf.org/html/rfc3875#section-6.3.4

This correct bug 10001, https://bugzilla.xamarin.com/show_bug.cgi?id=10001

Signed-off-by: Etienne CHAMPETIER <etienne.champetier@fiducial.net>
Merge pull request #744 from echampet/bug-10001

Do not use chunked encoding with CGI/FastCGI
Fix build break when COM is disabled

This removes a typo that was introduced which caused COM dependencies to be referenced.
Add missing .NET 4.5 APIs

* System.Text.RegularExpressions.Regex.InfiniteMatchTimeout
* System.Net.HttpStatusCode.UpgradeRequired
* Add System.Reflection.TypeAttributes.WindowsRuntime
* System.Runtime.GCLatencyMode.SustainedLowLatency
* System.UriComponents.NormalizedHost
[WCF]: Add stubs for some missing .NET 4.0/4.5 APIs.
Merge pull request #747 from spicypixel/hotfix/object-disable-com

Fix build break when COM is disabled
Fix typo in commit b6d634dd.