Simplification to Timer Bonuses.
Moving levelCond signal into main or KeyRunner.cpp

This is preparation to "objectify" KeyRunner.cpp.
Moving some Lock/Unlock Mutex calls out of Infobar

In preparation for objectifying KeyRunner.cpp.
Moving more Lock/Unlock Mutex calls into KeyRunner.cpp
Moving more Lock Mutex calls into KeyRunner.cpp
Adding back a necessary SDL_cond object.

Prevents a segfault on program initialization.