Makefile improvements:
 - All output files in obj/ directory.
 - Eyecandy Makefile messages.
ActionNull implemented
WorkerThread -implemented withoult parallelism.
Refactorization - ActionFactory class separated.
Parallel worker thread - initial version.
Thread safe queue - initial (not thread-safe :) )
Thread safe queue - Eyecandy method names and GetAndPop method.
New version of CppUTest correctly handles throwing exception from constructors correctly.
Got rid of valgrind tests due to CppUTest constructor exception fix.
ThreadSafeQueue - mutexes added.
Connection passed via pointer to WorkerThread::QueryAction.
Cscope in Makefile
Empty close method removed
Merge https://github.com/nkdm/chat