[DOC] undate doc

.travis.yml

@@ -19,6 +19,10 @@ before_script:
   - git clone git://github.com/HeeroYui/lutin.git
   - git submodule init
   - git submodule update
+  - cd external/z
+  - git submodule init
+  - git submodule update
+  - cd ../..
   - if [ "$CXX" == "clang++" ]; then BUILDER=clang; else BUILDER=gcc; fi
 
 install:

README.md

@@ -15,6 +15,9 @@ download the software :
 	cd ewol
 	git submodule init
 	git submodule update
+	cd external/z
+	git submodule init
+	git submodule update
 
 Compile software and install :
 

external/audio-algo-river

@@ -1 +1 @@
-Subproject commit f15b42e6e90f81c352aa91a5d4fa7c1f5c91bc9e
+Subproject commit c5411217fd25796949682353d9b913324fde9c72