Removed instances of 'not in use' from code
Changed tests accordingly
CHANGES_NEXT_RELEASE updated
Merge branch 'develop' into hardening/empty_context_values_and_co

Conflicts:
	CHANGES_NEXT_RELEASE
Reverted back 'updateContext if' in ContextAttribute
Merge pull request #330 from telefonicaid/hardening/empty_context_values_and_co

Hardening/empty context values and co
empty attribute values no longer treated as compound values
Removed a few LM_M:s
minor change in CHANGES_NEXT_RELEASE + forgotten harness test file
Merge pull request #331 from telefonicaid/bug/empty_attribute_values

Bug/empty attribute values
FIX typo in README.md
Fixed BIG request bug, issue #333 + Changed 'Include Associations' for 'IncludeAssociations', for integration with NEC
CHANGES_NEXT_RELEASE
Merge pull request #335 from telefonicaid/bug/wsonly

Fixed BIG request bug, issue #333 + 'Include Associations'
FIX failing test harness
percent sign '%' is not allowed in ContextAttribute::type (according to XSD)
Merge pull request #337 from telefonicaid/bug/xsd_percent_not_allowed_in_contextAttribute_type

No percent sign '%' in ContextAttribute::type
Merge pull request #336 from telefonicaid/bug/long_expiration_sub_harness_fixed

FIX failing test harness
ADD test harness for metadata ID notifications
Merge pull request #338 from telefonicaid/hardening/notifications_metadata_id

ADD test harness for metadata ID notifications