Add a script to setup the development environment for EasyBuild

    This script:
    - clone all the EB repositories
    - checkout the develop branch in eb-framework, eb-easyblocks and eb-easyconfigs
    - create a module file to easily swith between this develop version of EB and any others
Merge pull request #755 from besserox/setup_eb_develop_environment

Add a script to setup the development environment for EasyBuild