Readme updated

README.md

@@ -2,19 +2,39 @@
 
 This project is an environment to work with Pseudo-Boolean optimisation problems and Boolean formulae.
 
-## Example
+## Code example
+```cpp
+Formula a = BoolFunc::newLit("a");
+Formula b = BoolFunc::newLit("b");
+
+Formula c = a + b;
+Cnf tseitin = CnfConverter::tseitin(c);
+tseitin.print();
+```
 
 ## Getting Started
 
-These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.
+These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.
+
+## Table of contents
+* Installation
+* Usage
+* Built With
+* Contributing
+* Versioning
+* Authors
+* License
+* Acknowledgments
 
-### Prerequisites
+## Installation
 
-For installing and running, there are two requisites:
-* [cmake](https://cmake.org/install/)
-* [picosat](http://fmv.jku.at/picosat/)
-* [minisat](http://minisat.se/)
-* [zlib1g-dev](https://packages.debian.org/search?keywords=zlib1g-dev)
+### Requirements
+
+For installing and running, there are four requirements. **This must be present in the system:**
+* **[cmake](https://cmake.org/install/):**  CMake is used to control the software compilation process using simple platform and compiler independent configuration files, and generate native makefiles and workspaces that can be used in the compiler environment of your choice.
+* **[picosat](http://fmv.jku.at/picosat/):** A SAT solvers
+* **[minisat](http://minisat.se/):** A SAT solver
+* **[zlib1g-dev](https://packages.debian.org/search?keywords=zlib1g-dev):** zlib is a library implementing the deflate compression method found in gzip and PKZIP
 
 The first three need to be accessible through the cml:
 ```sh
@@ -23,7 +43,7 @@ $ cmake --version
 $ minisat
 ```
 
-### Installing
+### How to download it and install it
 
 Download the project.
 It is recommended to download always stable versions:
@@ -38,14 +58,17 @@ To install this project execute:
 $ chmod +x installer.sh
 $ ./installer.sh
 ```
-This script will install all the required things:
+This script will install the following libraries:
 * [Google Test](https://github.com/google/googletest)
 * [PBLib](http://tools.computational-logic.org/content/pblib.php)
 * [Cudd](https://github.com/ivmai/cudd)
 
 Finally, it will execute the tests.
 
-## Compile a file
+## Usage
+
+Check the [Wiki page](https://github.com/marcbenedi/SAT-tfg/wiki).
+
 
 ## Built With
 
@@ -60,17 +83,41 @@ Please read [CONTRIBUTING.md](https://gist.github.com/PurpleBooth/b24679402957c6
 ## Versioning
 
 For the versions available, see the [tags on this repository](https://github.com/marcbenedi/SAT-tfg/tags).
+It is always recommended to use the latest version.
 
 ## Authors
 * **[Jordi Cortadella](https://www.cs.upc.edu/~jordicf/)** - *Original idea and supervisor*
-* **[Marc Benedí](http://marcb.pro/)** - *Creator*
+* **[Marc Benedí](http://marcb.pro/)** - *Author and developer*
 
 See also the list of [contributors](https://github.com/marcbenedi/SAT-tfg/contributors) who participated in this project.
 
 ## License
 
 This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details
 
+```
+MIT License
+
+Copyright (c) 2018 Marc Benedí
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```
 ## Acknowledgments
 
 * [Jordi Cortadella](https://www.cs.upc.edu/~jordicf/)