update to R4
lehman cagg batch load
debug structure task
stub migrate task
debug structure task
urban loader
add dc ids for apt and local styles
urban fixes
debug mint call and fix default name parser assignment
do not sub when no match
don't add nil dc id
make fewer solr queries
thread pool gem
don't use puts in place of logs
set log levels
split load and migrate tasks
use idle thread in pool
bug in load task
replace whitespace in source search term
not enough processors on current server for pooling