Pull Bug #1263122 fix for service module from Oslo

Get latest service module from Oslo mainly to avoid the impact of
bug #1263122 when multi-process API service is enabled.

Follow commits are included in this change:
* 8b2b0b7 2013-12-20 | Use hacking import_exceptions for gettextutils._
* 37e46bb 2013-12-20 | disable SIGHUP restart behavior in foreground
* 12bcdb7 2013-10-11 | Remove vim header

Change-Id: I506ff809c32542520cc6ba2fa07519b1361f439c
Merge "Pull Bug #1263122 fix for service module from Oslo"