Patch release of Astrobee Robot Software v1

This commit fixes minor documentation issues found after the initial
release of Astrobee Robot Software v1.

INSTALL.md

@@ -1,7 +1,9 @@
 # Usage instructions for non-NASA users
 
 Install [Ubuntu 16.04](http://releases.ubuntu.com/16.04) on a host machine, and
-make sure that you can checkout and build code:
+make sure that you can checkout and build code. If you are using a virtual
+machine, please use VMware. Virtualbox doesn't support some of our Gazebo
+plugins.
 
     sudo apt-get install build-essential git
 
@@ -26,7 +28,7 @@ If you are planning to work on guest science stuff, you will also need the
 `astrobee_android` repository. You should checkout the repository in the same
 directory you checked out the source code in:
 ```
-    export ANDROID_PATH=$SOURCE_PATH"_android"
+    export ANDROID_PATH="${SOURCE_PATH}_android"
 ```
 
 Clone the android repository:

NASA_INSTALL.md

@@ -1,7 +1,9 @@
 # Usage instructions for NASA users
 
 Install [Ubuntu 16.04](http://releases.ubuntu.com/16.04) on a host machine, and
-make sure that you can checkout and build code:
+make sure that you can checkout and build code. If you are using a virtual
+machine, please use VMware. Virtualbox doesn't support some of our Gazebo
+plugins.
 
     sudo apt-get install build-essential git
 
@@ -22,7 +24,8 @@ make sure that you can checkout and build code:
 
 ### Checkout the project source code
 
-At this point you need to decide where you'd like to put the source code (`SOURCE_PATH`) on your machine:
+At this point you need to decide where you'd like to put the source code
+(`SOURCE_PATH`) on your machine:
 
     export SOURCE_PATH=$HOME/freeflyer
 
@@ -181,7 +184,8 @@ rsync to copy the install directory to `~/armhf` on the two processors.
     ./scripts/install_to_astrobee.sh $INSTALL_PATH
     popd
 
-You are now ready to run the code. This code launches a visualization tool, which starts the flight software as a background process.
+You are now ready to run the code. This code launches a visualization tool,
+which starts the flight software as a background process.
 
     pushd $SOURCE_PATH
     python ./tools/gnc_visualizer/scripts/visualizer --proto4

README.md

@@ -2,13 +2,8 @@
 
 ## About
 
-<!---
-<div style="float: right">
-![alt text](../images/astrobee.png "The Astrobee free flying robot")
-</div>
---->
-![alt text](doc/images/astrobee.png "The Astrobee free flying robot")
-
+<p>
+<img src="doc/images/astrobee.png" srcset="../images/astrobee.png 1x" title="Astrobee" align="right" style="display: inline"/>
 Astrobee is a free-flying robot that is designed to operate as a payload inside
 the International Space Station (ISS). The Astrobee Robot Software consists of
 embedded (on-board) software, supporting tools and a simulator. The Astrobee
@@ -22,11 +17,12 @@ operated in multiple modes: plan-based task execution (command sequencing),
 teleoperation, or autonomously through execution of hosted code uploaded by
 project partners (guest science). The software simulator enables Astrobee Robot
 Software to be evaluated without the need for robot hardware.
+</p>
 
 This repository provides flight software and a simulator, both primarily written
 in C++. The repository also provides several other utilities, including a tool
 for creating maps for localization. A separate repository,
-[`astrobee_android`](https://github.com/nasa/astrobee_andrdoid), contains the
+[`astrobee_android`](https://github.com/nasa/astrobee_android), contains the
 Java API, which uses the ROS messaging system to communicate with flight
 software.
 

RELEASE.md

@@ -1,4 +1,4 @@
-# Astrobee Robot Software v1, release 0.1.0
+# Astrobee Robot Software v1, release 0.1.1
 
 ## Simulator
   - Use the same flight software stack that is run on the platform (but the HW drivers)