refactored deprecated code
fixed a warning, sprintf was not even necessary here
use of [NSConnection defaultConnection] is deprecated
fixed the declaration of the method
cast to the correct type to fix a warning
MFCPU_A_tempTransformer is not defined anywhere, changed it to MFTemperatureTransformer
removed unused code
clang analyzer says we should release the connection
refactored the code and fixed a ref-leak while at it
code works without this cast to id
switched to the latest smc.c code from the smcFanControl project

now the keyInfo is cached so the requests are a lot faster now.
rest of my changes in a big commit

1. adding ambient temperature (code and nib)
2. fixed the layout in the nib, parts of the rpm slider had a textfield on top
3. MacPros without a second CPU do less calls to the SMC
4. MacPros with a second CPU do also less calls to the SMC
5. removed the definitions file. it was only used in one place anyway.
6. using setTolerance for the timer to be a good OS X citizen
updated to project to reflect the deletion of the definition file