update readme

* fix screenshots path
* update contributing instructions
* general reformatting

Readme.md

@@ -1,20 +1,15 @@
-## Termi-Nalanda
-### About:
-It uses **bs4** and **requests** Libraries. It is used to access Nalanda - The E-Learning Management System for BITS Pilani, directly from the terminal. It displays notices which you **haven't seen earlier** using this.<br>It will also **download/update** the lecture slides and other resources for you.<br>
+# nalanda-cli
+Access nalanda from your terminal.<br>
 
-### Requirements:
- - Ubuntu
- - Python2.7 or Python3.5+
- - pip
+![nalanda-cli](screenshots/demo.jpg)<br>
 
-### Development:
-If you want to contribute by solving any issue or adding a feature in this project, then keep in mind
- 1. The code should be according to PEP8 Standards
- 2. If a major feature/issue is being addressed, then use a new branch
- 3. The commit messages should be descriptive
+## Requirements:
+ - Ubuntu 16.04 or later
+ - Python2.7
+ - pip
 
-### Installation:
- - Clone the repository. Open it in a terminal and run the install file: <br>
+## Installation:
+ - Clone the repository. Open it a terminal and run install: <br>
 ```shell
 ./install 
 ```
@@ -35,14 +30,15 @@ Eg: if your ID is 2016A7PS0015P, type in
     ```shell
     Bits/2-1
     ```
-### Usage:
+![Installation](screenshots/install.jpg)<br>
+
+## Usage:
 Whenever, you want to see the Nalanda Updates or just download the slides, open a terminal and type:
 ```shell
 nalanda
 ```
 
-### Screenshots:
-1. Installation
-![Installation](src/res/install.jpg)<br>
-2. Using termi-nalanda
-![Demonstration](src/res/demo.jpg)<br>
+## Contributing:
+You can contribute by reporting bugs or solving the existing issues.
+ - follow PEP8 standards and flake8
+ - make descriptive commit messages for each change