gtest build products moved to obj directory
gtest build products moved to obj directory

So as not to clutter source tree. Also minor cleanups.

Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe