Merge pull request #223 from telefonicaid/bug/200

bug/200
Add a parameter enabling SSL when using CKAN
Update Cygnus version in the pom
Do the CKAN backend directly manages the HttpClient factory and client
Do the HDFS backend directly manages the HttpClient factory and client
Add a getter regarding the leased connections
Avoid the HDFS and CKAN sinks manage the HttpClient factory and client
Addapt the tests to the new HttpClient factory and client management policy
Fix issues raised during code review
Fix the Cygnus version in the pom
Merge branch 'develop' into backlog/230

Conflicts:
	flume/pom.xml
	flume/src/main/java/es/tid/fiware/fiwareconnectors/cygnus/backends/ckan/CKANBackend.java
	flume/src/main/java/es/tid/fiware/fiwareconnectors/cygnus/backends/ckan/CKANBackendImpl.java
	flume/src/main/java/es/tid/fiware/fiwareconnectors/cygnus/backends/hdfs/HDFSBackend.java
	flume/src/main/java/es/tid/fiware/fiwareconnectors/cygnus/backends/hdfs/HDFSBackendImpl.java
	flume/src/main/java/es/tid/fiware/fiwareconnectors/cygnus/sinks/OrionCKANSink.java
	flume/src/main/java/es/tid/fiware/fiwareconnectors/cygnus/sinks/OrionHDFSSink.java
[FEATURE] HTTPS in cygnus mock
Merge branch 'develop' into backlog/230

* develop:
  [MODIFY] line in README:md
  [DELETE] comment line in notification.py
  [CHANGES] in properties.josn and README.md
  [ADD] info about properties.json file
  [FIX] changes in mysql and ckan tools
  [FEATURE] retries in hadoop acceptance test
  [DELETE] cygnus prefix in properties.json.base
  Remove additional references to the prefix_name parameter
  Delete the namig_prefix for HDFS and MySQL in the configuration examples
  Delete the naming prefix max lenght constant
  Adapt the tests for working without the naming_prefix parameter
  Remove the prefix_name parameter usage from the MySQL and HDFS sinks
Merge branch 'develop' into backlog/230
Merge branch 'backlog/230' of https://github.com/telefonicaid/fiware-connectors into backlog/230

# Via frbattid
* 'backlog/230' of https://github.com/telefonicaid/fiware-connectors:
[CHANGES] response fake to all request from cygnus
Add a line allowing all hostname verifier
Merge branch 'backlog/230' of https://github.com/telefonicaid/fiware-connectors into backlog/230
[CHANGE] new library for https protocol with ckan tests
Merge branch 'backlog/230' of https://github.com/telefonicaid/fiware-connectors into backlog/230

# By frbattid
# Via frbattid
* 'backlog/230' of https://github.com/telefonicaid/fiware-connectors:
  Add a line allowing all hostname verifier