Merge pull request PaddlePaddle#53 from tink2123/update_doc

update 0.15.0 docs in fluiddoc according to paddle repo

Author: shanyi15

doc/fluid/advanced_usage/deploy/index_anakin.rst

@@ -1,5 +1,5 @@
 服务器端部署 - Anakin
-#####################
+#######################
 
 
 使用文档

doc/fluid/advanced_usage/deploy/index_native.rst

@@ -10,7 +10,6 @@
 ..  toctree::
     :maxdepth: 2
 
-    deploy/index_native.rst
     deploy/index_anakin.rst
     deploy/index_mobile.rst
     development/contribute_to_paddle.md

doc/fluid/advanced_usage/index.rst

@@ -9,7 +9,7 @@
 ..  toctree::
     :maxdepth: 2
 
-    install/install_doc.rst
+    install/install_doc.md
     quick_start/index.rst
     basics/index.rst
     basics/learning_materials.md