schema: improved mixedArrayFromString

Change-Id: Iff9d68a498e13e5a90cd68c07ee9986c3407a8cc
Merge branch 'master' of https://camlistore.googlesource.com/camlistore
gitignore: Ignore auto-generated file bin/hello.

Change-Id: I38e1eb056dbdd29ddabce620c9621cd22696839d
Merge branch 'master' of https://camlistore.googlesource.com/camlistore
importer: let the implementations build and parse the callback URL

Credits to Tamás Gulácsi for finding out about the state parameter.

Change-Id: I139eb4f74e607278c9aee93fd40c25ae081d47e3
Merge "importer: let the implementations build and parse the callback URL"
importer/feed: implement the new methods from 68ff8a20db645338d2358aee2d4905696de9c766

Change-Id: I76331b2265458a4261786697e9eb10f73f4ab034
Rewrite Picasa importer for the new Importer API

Reorganizes common OAuth2 things into importer/oa2_importers.go

Change-Id: I0789f4732412aa559078ec2c6b6797925ab8cd05