Fix api links

Author: j-rivero

custom_messages/tutorial.md

@@ -1,7 +1,7 @@
 # Introduction 
 
 Gazebo topics communicate through Google protobuf messages. There is an
-extensive [list of message types provided by Gazebo(http://gazebosim.org/msgs/1.9.0/classes.html), for use with subscribing and publishing Gazebo
+extensive [list of message types provided by Gazebo(http://osrf-distributions.s3.amazonaws.com/gazebo/msg-api/dev/classes.html), for use with subscribing and publishing Gazebo
 topics. However, there are many situations where you want to build your own.
 
 This tutorial is an example of how to create your own custom messages, and how to subscribe and publish them in a Gazebo plug-in.

random_numbers/tutorial.md

@@ -12,4 +12,4 @@ gazebo --seed <integer>
 
 # Message
 
-Gazebo listens to the `~/world_control` topic, which requires messages of type [msgs::WorldControl](http://gazebosim.org/msgs/1.9.0/world__control_8proto.html). The world control message may contain a random number seed.
+Gazebo listens to the `~/world_control` topic, which requires messages of type [msgs::WorldControl](http://osrf-distributions.s3.amazonaws.com/gazebo/msg-api/dev/world__control_8proto.html). The world control message may contain a random number seed.

ros_gzplugins/tutorial.md

@@ -512,7 +512,7 @@ save, then launch the same launch files as for GPU Laser.
 
 ## Projector
 
-**Description:** projects a static texture from a source outwards, such as used with the PR2's original head camera sensor. See [API documentation](http://gazebosim.org/api/dev/classgazebo_1_1rendering_1_1Projector.html) for more information.
+**Description:** projects a static texture from a source outwards, such as used with the PR2's original head camera sensor. See [API documentation](http://osrf-distributions.s3.amazonaws.com/gazebo/api/dev/classgazebo_1_1rendering_1_1Projector.html) for more information.
 
 ## Prosilica Camera
 

topics_subscribe/tutorial.md

@@ -4,15 +4,15 @@ Gazebo communicates on TCP/IP sockets, which allows separate programs to interfa
 
 The easiest way to communicate with Gazebo over TCP/IP sockets is to link against the Gazebo libraries, and use the provided functions.
 
-The Gazebo transport system is documented [here](http://gazebosim.org/api/1.9.1/group__gazebo__transport.html) and the protobuf message types are documented [here](http://gazebosim.org/api/1.9.1/group__gazebo__msgs.html).
+The Gazebo transport system is documented [here](http://osrf-distributions.s3.amazonaws.com/gazebo/api/dev/group__gazebo__msgs.html).
 
 A list of all the topics in use on a running system can be found with the following command (make sure Gazebo is running first):
 
         gztopic list
 
 ### Example ###
 
-This example subscribes to a [WorldStatistics message](http://gazebosim.org/msgs/1.9.0/world__stats_8proto.html) on topic ~/world_stats and prints it to the console. This message is output by Gazebo at 1 Hz and includes information about the simulation time and pause state. The example is included in the gazebo source distribution at [examples/stand_alone/listener/](https://bitbucket.org/osrf/gazebo/src/8b0c2de0886a61a862036f7e7fe1d4b7b8b4651c/examples/stand_alone/listener/listener.cc?at=gazebo_1.9) and assumes that you can link against Gazebo.
+This example subscribes to a [WorldStatistics message](http://osrf-distributions.s3.amazonaws.com/gazebo/msg-api/dev/listener.cc?at=gazebo_1.9) and assumes that you can link against Gazebo.
 
 Download listener.cc and CMakeLists.txt from the above link and put them into to a folder called listener at your home directory. Compile the example:
 

topics_subscribe/tutorial_2-2.md

@@ -4,7 +4,7 @@ Gazebo communicates on TCP/IP sockets, which allows separate programs to interfa
 
 The easiest way to communicate with Gazebo over TCP/IP sockets is to link against the Gazebo libraries, and use the provided functions.
 
-The Gazebo transport system is documented [here](http://gazebosim.org/api/1.9.1/group__gazebo__transport.html) and the protobuf message types are documented [here](http://gazebosim.org/api/1.9.1/group__gazebo__msgs.html).
+The Gazebo transport system is documented [here](http://osrf-distributions.s3.amazonaws.com/gazebo/api/dev/group__gazebo__msgs.html).
 
 A list of all the topics in use on a running system can be found with the following command (make sure Gazebo is running first):
 
@@ -14,7 +14,7 @@ gz topic -l
 
 # Example
 
-This example subscribes to a [WorldStatistics message](http://gazebosim.org/msgs/1.9.0/world__stats_8proto.html) on topic ~/world_stats and prints it to the console. This message is output by Gazebo at 1 Hz and includes information about the simulation time and pause state. The example is included in the gazebo source distribution at [examples/stand_alone/listener/](https://bitbucket.org/osrf/gazebo/src/68186e57ea8e97d9dfb6b29bb8e50bf9f83d2e78/examples/stand_alone/listener/listener.cc?at=gazebo_4.0) and assumes that you can link against Gazebo.
+This example subscribes to a [WorldStatistics message](http://osrf-distributions.s3.amazonaws.com/gazebo/msg-api/dev/listener.cc?at=gazebo_4.0) and assumes that you can link against Gazebo.
 
 Download listener.cc and CMakeLists.txt from the above link and put them into to a folder called listener at your home directory. Compile the example: