WRENCH documentation: get in touch section, and minor updates to gett…

…ing started page

README.md

@@ -46,6 +46,13 @@ make
 make install  # try "sudo make install" if you don't have the permission to write
 ```
 
+## Get in Touch
+
+The main channel to reach the WRENCH team is via the support email: 
+[support@wrench-project.org](mailto:support@wrench-project.org?subject=WRENCH Support Contact: Your Topic).
+
+**Bug Report / Feature Request:** our preferred channel to report a bug or request a feature is via  
+WRENCH's [Github Issues Track](https://github.com/wrench-project/wrench/issues).
 
 
 [travis-badge]:     https://travis-ci.org/wrench-project/wrench.svg?branch=master

doc/getting_started.md

@@ -95,7 +95,7 @@ your own algorithms and services.
 
 @endWRENCHDoc
 
-## Building Your CMakeLists.txt File ##                {#getting-started-prep-cmakelists}
+## Creating Your CMakeLists.txt File ##                {#getting-started-prep-cmakelists}
 
 Below is an example of a `CMakeLists.txt` file that can be used as a starting 
 template for developing a WRENCH application compiled using cmake:
@@ -158,6 +158,10 @@ Internal developers are expected to **contribute** code to WRENCH's core compone
 Please, refer to the [API Reference](./annotated.html) to find the detailed 
 documentation for WRENCH functions.
 
+> **Note:** It is strongly recommended that WRENCH internal developers (contributors) 
+> _fork_ WRENCH's code from the [GitHub repository](http://github.com/wrench-project/wrench),
+> and create pull requests with their proposed modifications.
+
 In addition to the common [installation steps](./install.html), WRENCH's internal
 developers are strongly encouraged to install the following dependencies/tools:
 

doc/index.md

@@ -52,8 +52,6 @@ WRENCH comprises four distinct modules, each designed as a simulation component:
 ![Overview of the WRENCH architecture.](images/wrench-architecture.png)
 
 
-<br />
-
 # Classes of Users #                       {#overview-users}
 
 WRENCH is intended for three different classes of users:
@@ -85,3 +83,11 @@ provides, in addition to all levels above, a detailed documentation for all WREN
 including binders to SimGrid.
 @WRENCHNotInternalDoc ([See Internal Documentation](../internal/index.html)) @endWRENCHDoc
 
+
+# Get in Touch #                        {#overview-contact}
+
+The main channel to reach the WRENCH team is via the support email: 
+[support@wrench-project.org](mailto:support@wrench-project.org?subject=WRENCH Support Contact: Your Topic).
+
+**Bug Report / Feature Request:** our preferred channel to report a bug or request a feature is via  
+WRENCH's [Github Issues Track](https://github.com/wrench-project/wrench/issues).