The first public release of cloudlet-discovery project

Release Note for version 0.4.0

• This is the first public release of cloudlet-discovery project.
• it is currentlyunder rapid development, so this release includes only stable and essential
  parts of the cloudlet-discovery code.
• We also checked the code compatibility with our OpenStack-cloudlet extension
• Discovery code is compose of three parts.
  1. Cloudlet-side library for registration and query
  2. Client library for discovery
  3. Cloud-side discovery server

 elijah-discovery (since v2.0, under developmenet)
     ├─ 1. Library for registration and Cloudlet query  
     │    ├─ Resource monitor
     │    ├─ Registration daemon
     │    └─ Cache monitor
     │
     ├─ 2. Client library for discovery
     │
     └─ 3. Cloud-based discovery server (sources for findcloudlet.org)
          ├─ Registration REST Server
          ├─ Registration web site
          └─ Custom DNS Server

• This tree shows overall components of the cloudlet-discovery, and modules without bold emphasis is not included in this release.
• For detail installation guide, please take a look at README file.