Created primary API wrappers for the Isolator class

This is an attempt to abstract the internal workings of the isolator
class from the user application.

Change-Id: Ic898b202da6a0ddb368411c11218ca019d1f23fd
Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
diff --git a/test/simulator/meson.build b/test/simulator/meson.build
index 4f72f2e..e581b1a 100644
--- a/test/simulator/meson.build
+++ b/test/simulator/meson.build
@@ -1,6 +1,6 @@
 sim_sources = [
     'hei_sim_main.cpp',
-    '../../src/hei_isolator.cpp'
+    '../../src/isolator/hei_isolator.cpp'
 ]
 
 sim = executable('simulator', sim_sources, \