fix for import-users options

options.db() -> options.db
fix for import-boards options

options.db() -> options.db
fix for import-threads options

options.db() -> options.db
fix for import-posts options

options.db() -> options.db
refactor import-users

TODO: move || to top level
refactor import-boards

TODO: move || to top level
refactor import-threads

TODO: move || to top level
refactor import-posts

TODO: move || to top level
end mQ at the end of imports
move var declaration to new line
reinstate quiet argument
implement user import with new epochImporter
rename epoch_importer -> epoch_import
rename epochImport methods

epochImport.
  importBoards -> boards
  importThreads -> threads
  importPosts -> posts
  importUsers -> users
smf-import fix and refactor

refactor importOptions to options
fix require(epochImporter) -> require(epochImport)
implement board import

uses new epochImport implementation
get rid of optional arg shifting in import-boards
get rid of optional arg shifting in import-threads
get rid of optional arg shifting in import-posts
get rid of optional arg shifting in import-users