gambatte_qt: excessive parentheses
add testrunner binary to .gitignore
libgambatte/gambatte: formatting/readability
libgambatte/interruptrequester: formatting/readability
libgambatte/mem: formatting/readability
libgambatte/memory: formatting/readability
libgambatte/minkeeper: formatting/readability
libgambatte/state_osd_elements: formatting/readability
libgambatte/video: formatting/readability
libgambatte/ppu: formatting/readability
common/chainresampler: formatting/readability
common/chainresampler: include order
trailing whitespace