fixed DPMS crashing issue

applied two patches, BSD_AUTH patch and Gottox' DPMS support patch

next version will be 0.8

final fixes and cleanups

updating copyright stuff in slock as well

grab on the root window, it is correct, all lockers do that

made slock more aggressive, DenisG please recheck

fixed a potential buffer overflow bug on the stack (thanks to Ghassan Misherg)

thanks to Jack for this hint

small fix of Vincent's patch

added pointer grab

applied Salmi's patch

applied BSD support patch

initial commit