add b0 as submodule
cleanup callback code
some more cleanup
move utilities into b0
update Timer class
move more utility into b0
update wscript
update b0
Merge branch 'master' of github.com:santazhang/simple-rpc
remove b0 as submodule
no submodules
minor updates on wscript
rename b0 to base-utils
update lib order
migrate to testing on base-utils
update wscript
make test-rlog.cc working
add gperftools script
rename logservice to rlog
minor update