Added information about packages.

README.md

 [![Build Status - master](https://travis-ci.org/BhallaLab/moose.svg?branch=master)](https://travis-ci.org/BhallaLab/moose)
 
-This is meta repository of MOOSE simulator. It contains C++ core of MOOSE,
-python scripting interface, its GUI repositories as submodule. 
+This is the parent repository of [MOOSE simulator](https://moose.ncbs.res.in). It contains core (written in C++) of MOOSE, it's python scripting interface, and its graphical user interface (GUI) as [git-submodules](https://git-scm.com/book/en/v2/Git-Tools-Submodules). 
 
-For more details about these sub-projects, read respective README:
+You can find detailed description of each MOOSE component in respective `README.md` in  their repositories below:
 
-- [MOOSE and PyMOOSE](https://github.com/BhallaLab/moose-core)
-- [Gui](https://github.com/BhallaLab/moose-gui)
+- [MOOSE with python support](https://github.com/BhallaLab/moose-core)
+- [GUI](https://github.com/BhallaLab/moose-gui)
 - [Examples and Demos](https://github.com/BhallaLab/moose-examples)
 
+# MOOSE Packages
+
+The easiest way of installing MOOSE on your system is to use pre-compiled packages.
+
+## Ubuntu
+
+MOOSE has [a PPA ](https://launchpad.net/~bhallalab/+archive/ubuntu/moose). 
+
+You can use it on Ubuntu 12.04, 14.04, 14.10, and 15.04. 
+
+
+### Terminal
+    
+    sudo -E add-apt-repository ppa:bhallalab/moose
+    sudo apt-get update
+    sudo apt-get install moose-python moose-gui
+
+*[What are PPAs and how to use them]http://askubuntu.com/questions/4983/what-are-ppas-and-how-do-i-use-them)*
+
+
+## Others
+
+We are building packages for other distribution as well. We use [Open Build Service](https://build.opensuse.org/package/show/home:moose/moose). Packages and installation instructions can be [found here](http://software.opensuse.org/download.html?project=home%3Amoose&package=moose).
+
+
 # Installation using cmake
 
 First, run the `bootstrap` script. It will fetch the submodules and/or update
@@ -37,25 +61,6 @@ previous `make install` command.
 
     sudo make uninstall
 
-# Packages
-
-The easiest way of installing MOOSE on your system is to use packages. 
-
-## Ubuntu
-
-There is a [PPA](https://launchpad.net/~bhallalab/+archive/ubuntu/moose).
-
-You can use it on Ubuntu 12.04, 14.04, 14.10, and 15.04.
-    
-    sudo -E add-apt-repository ppa:bhallalab/moose
-    sudo apt-get update
-    sudo apt-get install moose-python moose-gui
-
-
-## Others
-
-We are building packages for other distribution as well. We use [Open Build Service](https://build.opensuse.org/package/show/home:moose/moose). Packages and installation instructions can be [found here](http://software.opensuse.org/download.html?project=home%3Amoose&package=moose).
-
 # Reporting issues
 
 Please report all build and packaging related issues here. For development