Extracting thread-specific code from the application
Base for thread/mutex code
Empty async code - os-specific parts are missing
s/os/mt/
OS-specific thread implementation
Moving DB connection inside the thread.
OS-specific thread implementation - stopping a thread
Debug utilities for mt
Fixing Thread::attach
Debug info about threads.
Breaking 1200-odd lines into separate headers/code
Thread debug info
Bad merge
Merge branch 'task-mt-1'

Conflicts:
	libenv/fast_cgi/handlers.cpp
	libenv/fast_cgi/request.cpp
	libenv/includes/fast_cgi.hpp
	platforms/libenv.files