trivial docs spelling

Change-Id: I8125264b2d346269d91ef78ad54243abcafdb2b6
Allow devcam to use a persistent directory rather than a temp dir.

Change-Id: I234ba75e36dd55f339f679e45ba4c1ac3159f1f0
Merge "trivial docs spelling"
Merge "Allow devcam to use a persistent directory rather than a temp dir."
Add a hackfest entry. Missed a lot of these, but still fun.

Change-Id: I561bf958c15297f959f88327cca1ccf977260d5c
Merge branch 'master' of https://camlistore.googlesource.com/camlistore