Make the instrumentation pass more generic, rename it to TraceCalls

Author: loganek

src/passes/CMakeLists.txt

@@ -49,7 +49,6 @@ set(passes_SOURCES
  Heap2Local.cpp
  I64ToI32Lowering.cpp
  Inlining.cpp
- InstrumentAllocations.cpp
  InstrumentLocals.cpp
  InstrumentMemory.cpp
  Intrinsics.cpp
@@ -94,6 +93,7 @@ set(passes_SOURCES
  StringLowering.cpp
  Strip.cpp
  StripTargetFeatures.cpp
+ TraceCalls.cpp
  RedundantSetElimination.cpp
  RemoveImports.cpp
  RemoveMemory.cpp