change defs to vals, restore link
update json4s dependencies (this removes the 2.10 withFilter compiler warnings)
update async http client deps
handle jsoup absolute refs
Merge pull request #64 from viktortnk/adjust-jsoup-absolute-refs-handling

handle jsoup absolute refs
I believe it should be `import dispatch._, Defaults._`, as that's what was used in the previous section.
Merge pull request #66 from farleyknight/patch-1

I believe it should be `import dispatch._, Defaults._`, as that's what w...
introduce support of oauth2
separate oauth2 support from core and use json4s for parsing
use getOrElse instead of plain get
add verb for signing requests