free irgs if statistic is not active

fixed CRLF

moved irg finish functions into this module
fixed indenting

- fix problems when phi values where spilled by morgan and belady later tried to spill the whole phi

- placing be_copies is now an extra spill phase (to avoid problems in morgan spiller as instantly placing them will make liveness data invalid)

- only spill around loops if it is really needed

removed code that supress functions with supress inline body: It is not yet guaranteed that all
function can be inlined.

 - fix release mode

fixed CRLF