Latest version of C++ API

This is the latest C++ release including all tasks as discussed in the telco, and it includes:

• All WUT nodes
• Authentication
• All latest cloud services
• Unit tests for classes, sockets and cloud calls
• Travis CI Integration
• Fewer dependencies (Boost System only)

v0.6.0

Update README.md

frozen 0.1.1 for ortelio

readme update