kvutil: add VerifyDb*, use kvutil in sorted

http://camlistore.org/issue/393

Change-Id: If9482aa05f2346644196e3218dcde571e4d1a1a1
Makefile: fmt target

Made it a prerequisite of presubmit

Change-Id: Ia0d8f5f5bf1131d4004c950af98ad5e078b3423b
Merge "Makefile: fmt target"
Merge "kvutil: add VerifyDb*, use kvutil in sorted"
sorted/kvfile: added test

http://camlistore.org/issue/263

Change-Id: I4f6e8fe3cb26bedcff0a09278924364c249a3291
Tweet importing with some basic info

Change-Id: I73455eef50dcdc495ddc042d266b3a4a8020c877
website: add Twitter import to 0.8 release notes

Change-Id: I7faae7e0f0ee788a1fbf694f0f687a52d004fa80