Merge pull request #1909 from esdrubal/reflection

[SRE] Implemented missing SRE features.

diff --cc mcs/class/corlib/Test/System.Reflection.Emit/ModuleBuilderTest.cs
Simple merge

diff --cc mcs/class/corlib/corlib.dll.sources
Simple merge

diff --cc mono/metadata/icall-def.h
Simple merge

diff --cc mono/metadata/icall.c
Simple merge