drallen <> in WeldCore

WELD-676 Added integration test to reproduce error

WELD-676 Added logging around client proxy creation/fetch operations

WELD-614 Removed old import

WELD-614 Removed unused collections

WELD-614 Performance improvements via simpler data structures

WELD-614 performance improvements

WELD-582 Changed Javassist version to 3.13.0-GA

CDITCK-94 Added SPI implementation for serialization

Removed protection domain services from ProxyServices

Fixed new tests for transactional observers

WELD-583 Added transactional observer integration tests to Arquillian test suite