sdk-843. Deleted API Enum, Changed SDK enum to class for FieldSubtype, KBA Status, Member Type
sdk-843. Deleted API Enum, Changed SDK enum to class for Package Status, Event Notification
sdk-843. Deleted API Enum, Changed SDK enum to class for AuthScheme, BasePackageType, Cycle,FieldType,LicenseStatus,MessageStatus,PackageStatus,RequirementStatus,RoleType,Scope,SenderStatus,SenderType,Target,Visibility
sdk-843. Added log logic
sdk-843. Changed SignerBuilder, AuthenticationConverter for setting unknown type for Authentication Method
sdk-843. Added tests for RequirementStatus, SenderStatus, SenderType
sdk-843. Added serialize tests for FieldSubType, NotificationEvent, KnowledgeBasedAuthenticationStatus, MemberType, AuthScheme, RequirementStatus
sdk-843. Added serialize tests for SenderType, SenderStatus, Changed Senderconverter to convert sdk sender to api sender
sdk-843. Added serialize tests for PackageStatus
sdk-843. Deleted All ESL enum models, changed SDK enums to classes
sdk-843. Deleted tests for deserialize, serialize JSON unknown value, Added test logics about all Enum Data Types into Converter Tests, Changed log logics for unknown enum values
sdk-843. Created BasePackageType, BasePackageTypeConverter, BasePackageTypeConverterTest, Changed valueOf methods in esl enum class, Moved EslEnumeration to internal.converter package, Changed Accessor of getApiValue method to protected. Changed Mapkey in in esl enum class to sdk value instead of api value.
sdk-843. Changed SignatureStyle enum in sdk to class, Created FieldType class
sdk-843. Changed version number from 10.6.3 to 10.8
Merge remote-tracking branch 'origin/10.8' into dev

Conflicts:
	pom.xml
	release/pom.xml
	sdk/pom.xml
	sdk/src/main/java/com/silanis/esl/sdk/internal/converter/AuthenticationConverter.java
	tester/pom.xml