eliminate the hard-coded Local APIC timer driver
tools/summarize_test: display an elapsed time
replace strlcpy() with strcpy_s()
fix travis.yml
rename "strneq" with "nstreq"
add some test of string.h
userland: use gcov to do coverage analysis
add some tests
reimplement tools/gen_start_c in Ruby
tiny fix
renew vprintf (closes #3)
poweroff()
vprintf: fix %d
add some tests (closes #8)
intel64: rewrite tools/nearest_symbols in Ruby
use buildpack in servers building