Update README.md
Initial project setup

Create project structure and add main dependencies. Also create initial
Spring configuration files.
Add JQuery and Bootstrap libraries

Add JQuery, JQueryUI and Bootsrap as webjar dependencies so they can be
managed by Maven.
Add module for Harvester API library

Add a new Maven module for the Harvester API library.
Using this library you can create, delete, schedule and query ingests.
Add license info

Add license info to pom.xml files and create LICENSE file.
The license is GPLv3.
Merge pull request #1 from juanluisrp/initial-repo-structure

Initial project skeleton