[doc] Add a table about the per-version availability of each feature

[frbattid]

Content:

Component	Feature	From version
OrionHDFSSink	First implementation	0.1.0
	Multiple HDFS endpoint setup	0.4.1
	Kerberos support	0.7.0
	OAuth2 support	0.8.2
	CSV support	0.9.0
	HiveServer2 support	0.9.0
	Table type select	0.9.0
	enable/disable Hive	0.10.0
	HDFSBackendImplBinary	0.10.0
	Batching mechanism	0.10.0
OrionCKANSink	First implementation	0.2.0
	Enable SSL	0.4.2
	Batching mechanism	0.11.0
OrionDynamoDBSink	First implementation	0.11.0
OrionKafkaSink	First implementation	0.9.0
	Batching mechanims	0.11.0
OrionMongoSink	First implementation	0.8.0
	Hash based collections	0.8.1
OrionMySQLSink	First implementation	0.2.0
	Batching mechanism	0.10.0
OrionSTHSink	First implementation	0.8.0
	Hash based collections	0.8.1
OrionTestSink	First implementation	0.7.0
All sinks	Events TTL	0.4.1
	Pattern-based grouping	0.5.0
	Infinite events TTL	0.7.0
	enable/disable Grouping Rules	0.9.0
General	RPM building framework	0.3.0
	TDAF-like logs	0.4.0
	RoundRobinChannelSelector	0.6.0
	Multi-instances	0.7.0
	start/stop/status per instance	0.7.1
	Ordered death of Cygnus	0.8.0
	Polling interval parameter	0.8.0

Effort: 1 man day

[frbattid]

Implemented in PR https://github.com/telefonicaid/fiware-cygnus/pull/644