Treat missing git head file properly
v0.1.12
update graceful-fs dep
v0.1.13
Make version and name optional

Re isaacs/npm#3146
v0.2.0
Ensure that non-strings don't get passed to path.join
v0.2.1
loosen lru-cache dep
v0.2.2
remove auto-wscript
mark gypfile as auto, if it's explicitly the same
v0.3.0