Trafficserver/Ironbee filtering revamp
- Filter continuations now have txn lifetime
- Buffering policies now work (n.b. FLUSHPART tweaked since testing)
- Stream editing now works
- Future maintenance and new features expected to be much easier
Tidy/fix buffering
Merge remote-tracking branch 'rns/master'
Sync branches
RNS-CR-256: address review comments specific to trafficserver/ts_event.c
Merge remote-tracking branch 'origin/master'
Trafficserver/ts_event: switch from TS to IB-based logging where a valid tx is in scope.
Trafficserver: switch remainder of tx-scoped log messages to ib_log framework.
Merge branch 'master' of ssh://stash.intranet.qualys.com/~nkew/ironbee
Merging in latest from upstream (RNS/ironbee:refs/heads/master)

* commit 'b759dfa2f57682c77f69d6edb80a30a87da7b15c':
  Squashed 'libs/libhtp/' changes from bd5cd08..a3e907f
  tx.lua: Adding ib_tx_block* support.
  lua/tests/*: Updating clipp tests to use more current conventions.
  codecheck: Update dictionary.
  codecheck/include_order.rb: Add modp_b16.h.
trafficserver: trivial update to consistent naming for txn ctx var.
Trafficserver: rename ib_* vars local to trafficserver plugin
Trafficserver: localise module_data (and hence engine manager) to ts_module
Trafficserver: purge unnecessary/redundant #includes
Merge remote-tracking branch 'rns/master' into HEAD
Trivia ahead of merged push
Trafficserver: replace vestiges of state management in TS plugin, replacing with ironbee's state flags.
Merge remote-tracking branch 'rns/master'
nginc build: upgrade to verify downloaded tarball and protect against risk of a trojan
Merge remote-tracking branch 'rns/master'
nginx: fix Makefile to add gpg-verify to EXTRA_DIST