- added ach_create() and ach_open() calls, deprecating ach_publish()   and and_subscribe() - add `ach' utility program to interact with channels
- added ach_create() and ach_open() calls, deprecating ach_publish()
  and and_subscribe()
- add `ach' utility program to interact with channels


git-svn-id: 1f37a463a2a3d321d053f78ee1988e17a1bfe0a9@1368 4f504ea5-f356-0410-adec-f1b3679f3bb7

golems/ach,chen0510566/ach,chen0510566/ach,golems/ach,chen0510566/ach,golems/ach,golems/ach,golems/ach,chen0510566/ach,chen0510566/ach,chen0510566/ach,golems/ach