Merge pull request #2 from spiffyjr/master

Added account-level split in quick entry and frontend
fix Map.current for multiple peering.  sync detachable frontend.
added file locks, might fix random disappearing settings with using multiple instances of Lich
File.open(name, 'w') { |f| f.flock(File::EX); ... }  truncates the file before gaining the lock
Fixed typo FILE -> File, changed file reading from LOCK_EX to LOCK_SH
Lots of "error reports" for Windows users.  Reverting to version 4.4.15.
workaround for when Map.current is called by a DownstreamHook
Fixed registry_put/registry_get on Ruby 1.9.* for Windows