(profiler_core) Fixed bug with memory corruption in chunk_allocator;
(profiler_core) Event tracing now gathering info about process which owns thread;
(profiler_core) Thread names are stored before other blocks now;
(profiler_core) Removed unused block types: context switch and thread sign;
(profiler_core) Added some description for API;
(profiler_gui) Context switch events now painted in different colors: red = switch to another process, coral = switch to registered thread in the same process, black = switch to kernel mode (thread id == 0).
(profiler_gui) Added popup windows with information about context-switch or block under mouse cursor;
