delete Scala 2.8
Merge pull request #162 from xuwei-k/delete2.8

delete Scala 2.8
params has already been url-decoded. if oauth_signature is url-decoded
again it will produce incorrect results when a + occurs in the
signature string
url-decode headers at the source, and fix unit tests
0.6.6
notes
notes update
callback is now always already decoded
more doc tweaks
callback is now always already decoded
Merge branch 'master' of github.com:unfiltered/unfiltered

Conflicts:
	oauth/src/main/scala/oauth.scala
document versions
new version in docs
ls versions
nonce with a +
more agressive specs
should not be reencoding since these values are now expected to always be decoded already
version bump
test with a random string (should integrate scalacheck... but I'm not doing that today)
notes