go-based getpack: first stab
repo: fixup Root of svn path
getpack: typos
lbx-lookup: impl FindDataPackage
lookup: attach FindDataPackage to Context
manifest: first stab
all: first stab at 'lbx which'
lbx: impl EnvXMLPath
lbenv: first import
all: lbx/lbx -> lbx/lbctx