Add detection

source/api_reference/gen_doc.sh

 #!/bin/bash
-python gen_doc.py layers --submodules control_flow device io nn ops tensor learning_rate_scheduler > layers.rst
+python gen_doc.py layers --submodules control_flow device io nn ops tensor learning_rate_scheduler detection > layers.rst
 
 for module in data_feeder clip metrics executor initializer io nets optimizer param_attr profiler regularizer
 do

source/api_reference/io.rst

@@ -77,3 +77,21 @@ clean_checkpoint
 ..  autofunction:: paddle.fluid.io.clean_checkpoint
     :noindex:
 
+load_persist_vars_without_grad
+------------------------------
+
+..  autofunction:: paddle.fluid.io.load_persist_vars_without_grad
+    :noindex:
+
+save_persist_vars_without_grad
+------------------------------
+
+..  autofunction:: paddle.fluid.io.save_persist_vars_without_grad
+    :noindex:
+
+get_latest_checkpoint_serial
+----------------------------
+
+..  autofunction:: paddle.fluid.io.get_latest_checkpoint_serial
+    :noindex:
+

source/api_reference/layers.rst

@@ -814,6 +814,12 @@ shape
 ..  autofunction:: paddle.fluid.layers.shape
     :noindex:
 
+maxout
+------
+
+..  autofunction:: paddle.fluid.layers.maxout
+    :noindex:
+
 sigmoid
 -------
 
@@ -1102,3 +1108,60 @@ noam_decay
 ..  autofunction:: paddle.fluid.layers.noam_decay
     :noindex:
 
+detection
+=========
+
+prior_box
+---------
+
+..  autofunction:: paddle.fluid.layers.prior_box
+    :noindex:
+
+multi_box_head
+--------------
+
+..  autofunction:: paddle.fluid.layers.multi_box_head
+    :noindex:
+
+bipartite_match
+---------------
+
+..  autofunction:: paddle.fluid.layers.bipartite_match
+    :noindex:
+
+target_assign
+-------------
+
+..  autofunction:: paddle.fluid.layers.target_assign
+    :noindex:
+
+detection_output
+----------------
+
+..  autofunction:: paddle.fluid.layers.detection_output
+    :noindex:
+
+ssd_loss
+--------
+
+..  autofunction:: paddle.fluid.layers.ssd_loss
+    :noindex:
+
+detection_map
+-------------
+
+..  autofunction:: paddle.fluid.layers.detection_map
+    :noindex:
+
+iou_similarity
+--------------
+
+..  autofunction:: paddle.fluid.layers.iou_similarity
+    :noindex:
+
+box_coder
+---------
+
+..  autofunction:: paddle.fluid.layers.box_coder
+    :noindex:
+