Minor optimization in RidBag
Fixed issue #2970
Revert "Improved error handling if attempted to serialize types not handled by the binary serialization."

This reverts commit 1397cc3c2cd163a9726ca03e14d785b19d34eba6.
MInor fix on storage type
Merge branch 'develop' into test
Working to fix issue #2970
Merged develop branch
Issue #3121 was fixed.
Merge branch 'develop' of github.com:orientechnologies/orientdb into develop
Fixed issue #2970
Merged develop branch
Added support for token based authentication supported via a plugin mechanism.

Conflicts:
	core/src/main/java/com/orientechnologies/orient/core/db/ODatabase.java
	core/src/main/java/com/orientechnologies/orient/core/db/raw/ODatabaseRaw.java
	core/src/main/java/com/orientechnologies/orient/core/db/record/ODatabaseRecordAbstract.java
	core/src/main/java/com/orientechnologies/orient/core/metadata/security/OSecurityNull.java
	core/src/main/java/com/orientechnologies/orient/core/metadata/security/OSecurityProxy.java
	core/src/main/java/com/orientechnologies/orient/core/metadata/security/OSecurityShared.java
	object/src/main/java/com/orientechnologies/orient/object/db/OObjectDatabaseTx.java
	server/src/main/java/com/orientechnologies/orient/server/OServer.java
	server/src/main/java/com/orientechnologies/orient/server/network/protocol/http/OHttpRequest.java
	server/src/main/java/com/orientechnologies/orient/server/network/protocol/http/OHttpUtils.java
	server/src/main/java/com/orientechnologies/orient/server/network/protocol/http/ONetworkProtocolHttpAbstract.java
	server/src/main/java/com/orientechnologies/orient/server/network/protocol/http/command/OServerCommandAuthenticatedDbAbstract.java
Added support for token based authentication supported via a plugin mechanism.
updated to the last version of the user managment, fixed some java8 dependency
reformated jwt source code with the orient formatter
replaced base64 encoder for jwt with orient base64 encoder for avoid duplicate code.
renaming following the orient naming convention.
refactor jwt impl for allow extensions.
implemented first unit test on token handler.
add additional serialization tests.