Add a new SBExecutionContext class that wraps an ExecutionContextRef. This class is a convenient way at the API level to package a target,process,thread and frame all together - or just a subset of those

llvm-svn: 218808
diff --git a/lldb/scripts/lldb.swig b/lldb/scripts/lldb.swig
index fec05bb..a471d2a 100644
--- a/lldb/scripts/lldb.swig
+++ b/lldb/scripts/lldb.swig
@@ -66,6 +66,7 @@
 #include "lldb/API/SBDeclaration.h"
 #include "lldb/API/SBError.h"
 #include "lldb/API/SBEvent.h"
+#include "lldb/API/SBExecutionContext.h"
 #include "lldb/API/SBExpressionOptions.h"
 #include "lldb/API/SBFileSpec.h"
 #include "lldb/API/SBFileSpecList.h"
@@ -139,6 +140,7 @@
 %include "./Python/interface/SBDeclaration.i"
 %include "./Python/interface/SBError.i"
 %include "./Python/interface/SBEvent.i"
+%include "./Python/interface/SBExecutionContext.i"
 %include "./Python/interface/SBExpressionOptions.i"
 %include "./Python/interface/SBFileSpec.i"
 %include "./Python/interface/SBFileSpecList.i"