add chkconfig
	add 'reload configuration' command for admin console

Make links to launchpad proper urls.
Fix spelling.

Update TODO file in the source directory:
 - migrate incomplete items to launchpad
 - remove completed tasks
 - add a reference to launchpad.

[box] [client] [perl] Fix _validate_params() not to clobber a param. Fix update/splice for compatiblity with older perls.

https://blueprints.launchpad.net/tarantool/+spec/pool-palloc-pool

* unstable: (140 commits)
  [box] add unique property to memcached index
  [core] repair statistics
  [core] remove limit of 4MB packet size between parent and child
  [core] mention about GNU make requirement
  [core, box] write cookie in span too
  [box] fix snap printing
  [core] fix memory leak when saving snapshot
  [core] partially rollback 8cb4a2b4, make incremental builds work again
  [core] repair reading of v04 snaps
  [core] update confetti: added property 'required'
  [core] flush stdio buffers when writing wal
  [feeder] support for tagged rows
  [core] remove cfg.h file hack, tweak scripts/indent
  [core] fix bug: cookie is 64 bit
  [core] default tags are negative
  [core, box] row dispatch based on tag
  [box] [client] [perl] hash_by
  [core, box] wal_write and snapshot_write row now explicitly require tag and cookie
  [core, box] support for cookie in WAL
  [core] refactor read_u{8,16,32,4}
  ...

* hotfix-snap-v04:
  [core] repair reading of v04 snaps

* xlog_ng: (22 commits)
  [feeder] support for tagged rows
  [core] fix bug: cookie is 64 bit
  [core] default tags are negative
  [core, box] row dispatch based on tag
  [core, box] wal_write and snapshot_write row now explicitly require tag and cookie
  [core, box] support for cookie in WAL
  [core] refactor read_u{8,16,32,4}
  [core] better error handling on remote recovery
  [core] add missing exception handling when recovering WAL
  [core] flush when saving snapshot
  [core] cleanup logflushing logic
  [core] refactor io rate limiting
  [core] remove dead code
  [core, box] support for configurable behavior on recovery errors
  [core, box] move snap_io_rate_limit to module specific initialization
  [core] use buffered read when doing recovery
  [core] fix packet length calculation
  [core] close connection to feeder in case of error
  [box] now replica reports its lag
  [core] hide v04 stuff
  ...