added docs and examples support for BuildUtil

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4085 212acab6-be3b-0410-9dea-997c60f758d6

SConstruct

@@ -290,7 +290,7 @@ for plugin in plugins:
 
 def BuildUtil(target, source, libs, entry = None, res = None, 
               resources = None, defines = None, flags = None,
-              install = None):
+              install = None, examples = None, docs = None):
 	env = util_env.Copy()
 
 	if defines:
@@ -319,6 +319,11 @@ def BuildUtil(target, source, libs, entry = None, res = None,
 		ins = env.Distribute(install, util)
 		defenv.Alias('install-utils', ins)
 
+	if examples:
+		env.DistributeExamples(target, examples)
+	if docs:
+		env.DistributeDocs(target, docs)
+
 for util in utils:
 	if util in defenv['SKIPUTILS']:
 		continue