Merge pull request #134 from telefonicaid/hardening/105

Add ngsi2cosmos migration path to Cygnus in documentation
Fix the version in the pom.xml
Fix the number of parameters to be checked in OrionRestHandlerTest
Document the migration from Cygnus 0.1 to 0.2 and Cygnus 0.1 to 0.3 (or higher)
Fix issues raised during code review
Add a note regarding the translation script from 0.2 to 0.3
Merge branch 'develop' into hardening/135

Conflicts:
	flume/pom.xml
Merge pull request #141 from telefonicaid/hardening/135

Hardening/135 (into develop)