WIP
add iterator for root pattern
breakup into input/output assets to clarify
reorg and separate building concerns
PipelineBuilder builds inputs, themes and themed outputs
fix test
wii reorg to make input/output clear.
renamed to show pipeline flow better and reduce inhertitance
add thor and fssm for doonan watch
add config and stub cli
make doonan command line work
make ! methods work on Scope::Images
fix doonan watch
change config default
rename scope.theme_slug to slug
beef up variable resolving
fix variable resolving with Doonan::Scope::ImageInfo
change order so images can be referenced by variables
fix tests
rename specs