Change #include style

Header files are now always included with their path from the
project's root directory rather than the path relative to
the includer.

Change-Id: If39b8510eef8da00baf5fe88337c45dbdf8c766e
Refs: #3084
diff --git a/tools/wscript b/tools/wscript
index 57066f0..29b8536 100644
--- a/tools/wscript
+++ b/tools/wscript
@@ -33,19 +33,16 @@
             srcObjects = 'tool-%s-objects' % name
             bld.objects(target=srcObjects,
                         source=srcFiles,
-                        use='ndn-cxx',
-                        includes=name)
+                        use='ndn-cxx')
             testableObjects.append(srcObjects)
 
         bld.program(name='tool-%s' % name,
                     target='../bin/%s' % name,
                     source=[mainFile],
-                    use='ndn-cxx ' + srcObjects,
-                    includes=name)
+                    use='ndn-cxx ' + srcObjects)
 
     bld.objects(target='tools-objects',
                 source=[],
-                export_includes='.',
                 use=testableObjects)
 
     # Tool wrappers