-Tweak MinGW configuration file
-Modified Tuple.h for sane behavior with MinGW
-Modified UtilTestSuite.cpp for conditional use of MFC based on availability of library; otherwise use console
- Named the inner enumerations to fix SF issue#1834127
* include/Poco/RunnableAdapter.h
- Added missing ``return *this'' to RunnableAdapter::operator=
* src/TaskManager.cpp
- Added try-catch block in TaskManager::start to ensure that _taskList
is properly maintained. Fix for SF issue#1829700
* testsuite/src/TaskManagerTest.cpp
* testsuite/src/TaskManagerTest.h
- Added test cases for SF issue@1829700
