Check that the current time is more recent than the service time
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Merge pull request #168 from Metaswitch/deadlock_detection

[Reviewer: Andy] Check that the current time is more recent than the service time
Allow setting a non-vendor-specific accounting ID
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Merge pull request #169 from Metaswitch/rf_acct_id

[Reviewer: Andy] Allow setting a non-vendor-specific accounting ID
Fix memory leak/have more consistent style
Merge pull request #170 from Metaswitch/rf_acct_id

[No review] Fix memory leak/have more consistent style
Add SubscribeNotifyType enum to SASEvent
Merge branch 'sprout-iss709'