Merge branch 'cobraToolbox' into 'master'

Add the guide for Matlab CobraToolbox in the Application Specific Guides page

See merge request !310

content/applications/app_specific/running_matlab_cobratoolbox.md

++++
+title = "Install and Running Matlab CobraToolbox"
+description = "How to install and run Matlab CobraToolbox"
++++
+
+## This document provides the steps to install and run MATLAB CobraToolbox in the cluster.
+
+### INSTALLATION GUIDE    
+After logging into the cluster, load the requierd GIT module.
+
+{{< highlight bash >}}
+$ module load git/2.22
+{{< /highlight >}}
+
+Download Cobra toolbox in your local $WORK directory by using the following command
+
+{{< highlight bash >}}
+$ git clone --depth=1 https://github.com/opencobra/cobratoolbox.git cobratoolbox
+{{< /highlight >}}
+
+After the download been finished, a directory named "cobratoolbox" should be created in your WORK directory.
+
+Enter the directory "cobratoolbox" using the following command
+{{< highlight bash >}}
+$ cd cobratoolbox
+{{< /highlight >}}
+
+Then run the following command for uploading the required modules for cobratoolbox
+{{< highlight bash >}}
+$ git submodule update --init
+{{< /highlight >}}
+
+Then run Matlab using the following command
+{{< highlight bash >}}
+$ matlab 
+{{< /highlight >}}
+
+Finally run the following command to test CobraToolbox using the following Matlab command
+```Matlab
+>> initCobraToolbox
+```
+ 
+NOTE: you need to install CobraToolbox under your WORK directory NOT HOME directory. Because HOME directories are read-only from the compute nodes.