🥳 Tweaks to README and tutorials (gazebosim#61)

Signed-off-by: Louise Poubel <louise@openrobotics.org>

README.md

@@ -12,7 +12,7 @@ Build | Status
 Test coverage | [![codecov](https://codecov.io/gh/ignitionrobotics/ign-plugin/branch/ign-plugin1/graph/badge.svg)](https://codecov.io/gh/ignitionrobotics/ign-plugin/branch/ign-plugin1)
 Ubuntu Bionic | [![Build Status](https://build.osrfoundation.org/job/ignition_plugin-ci-ign-plugin1-bionic-amd64/badge/icon)](https://build.osrfoundation.org/job/ignition_plugin-ci-ign-plugin1-bionic-amd64/)
 Homebrew      | [![Build Status](https://build.osrfoundation.org/job/ignition_plugin-ci-ign-plugin1-bionic-amd64/badge/icon)](https://build.osrfoundation.org/job/ignition_plugin-ci-ign-plugin1-bionic-amd64/)
-Windows 7     | [![Build Status](https://build.osrfoundation.org/job/ignition_plugin-ci-ign-plugin1-windows7-amd64/badge/icon)](https://build.osrfoundation.org/job/ignition_plugin-ci-ign-plugin1-windows7-amd64/)
+Windows       | [![Build Status](https://build.osrfoundation.org/buildStatus/icon?job=ign_plugin-ign-1-win)](https://build.osrfoundation.org/job/ign_plugin-ign-1-win/)
 
 **Library for registering plugin libraries and dynamically loading them at runtime.**
 
@@ -21,6 +21,18 @@ of libraries designed to rapidly develop robot applications.
 
 [http://ignitionrobotics.org](http://ignitionrobotics.org)
 
+## Features
+
+* Registration of **templated and non-templated** classes from any translation unit.
+* Querying of interfaces **by C++ type or name string**.
+* **Dynamically load** plugins at runtime according to the interfaces they provide.
+* **Reference counting** of plugin objects to unload libraries no longer in use.
+* **Command line tool** `ign plugin` to inspect plugins.
+
 ## Installation
 
 See the [installation tutorial](https://ignitionrobotics.org/api/plugin/1.2/installation.html).
+
+# Documentation
+
+API documentation and tutorials can be accessed at [https://ignitionrobotics.org/libs/plugin](https://ignitionrobotics.org/libs/plugin)

tutorials/01_intro.md

@@ -15,7 +15,7 @@ following concepts:
 * A "Library" may contain multiple plugins, which provides a convenient
   way to distribute different types of functionality in a single file.
 
-The loader component can dynamically load plugin interfaces at runtime
+The **loader** component can dynamically load plugin interfaces at runtime
 either by specifying a desired plugin or by listing plugins within a library
 file that provide a specific interface.
 There are highly performant ways to get direct access to a plugin interace
@@ -24,13 +24,13 @@ compile time.
 The loader also can use reference counting of plugin objects to unload
 libraries that are no longer in use.
 
-The register component provides macros for registering templated and
+The **register** component provides macros for registering templated and
 non-templated classes as plugins and/or interfaces.
 A plugin can be registered anywhere from within any translation unit.
 Interfaces can be queried by their C++ type, or they can be queried by
 name with a string.
 
-The [ignition-physics](https://ignitionrobotics.org/libs/physics) Feature
+The [Ignition Physics](https://ignitionrobotics.org/libs/physics) Feature
 system provides a good example of the use of these unique aspects of
 ignition-plugin.
 

tutorials/02_installation.md

@@ -41,11 +41,15 @@ sudo apt install libignition-plugin-dev
 
 ## Source Installation
 
-1. Install Ignition dependencies
+1. Install required Ignition dependencies
   ```bash
   sudo apt-get install libignition-cmake2-dev
   ```
 
+1. Install Ignition Tools if you want to use the `ign plugin` command line tool:
+  ```bash
+  sudo apt-get install ignition-tools
+
 2. Clone the repository
   ```bash
   git clone https://github.com/ignitionrobotics/ign-plugin
@@ -187,7 +191,6 @@ You can also generate the documentation from a clone of this repository by follo
   ```
 
 2. Clone the repository
-
   ```bash
   git clone https://github.com/ignitionrobotics/ign-plugin
   ```