Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  Fix race-condition in table-event test.
Updating submodule(s).

 [nomail]
Fix large memory allocation in IP fragment reassembly.  Addresses #961.

Patch by jbaines modified slightly to return earlier so that the
problem packet can't cause any state change in the FragReassembler.
Add check for truncated link frames.  Addresses #962.

Patch provided by jbaines, modified with a more descriptive Weird name.
re-unify classes
Merge remote-tracking branch 'origin/master' into topic/bernhard/base64
and add bae64 bif tests.
and re-enable caching of extracted certs

I kind of deleted the line by accident...
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  Add check for truncated link frames.  Addresses #962.
  Fix large memory allocation in IP fragment reassembly.  Addresses #961.
Merge remote-tracking branch 'origin/master' into topic/seth/software-version-updates2
Merge remote-tracking branch 'origin/topic/seth/software-version-updates2'

* origin/topic/seth/software-version-updates2:
  Correctly handle DNS lookups for software version ranges.
  Improvements to vulnerable software detection.
  Update software version parsing and comparison to account for a third numeric subversion.

Closes #938.
Merge remote-tracking branch 'origin/topic/bernhard/base64'

* origin/topic/bernhard/base64:
  and re-enable caching of extracted certs
  and add bae64 bif tests.
  re-unify classes
  and modernize script.
  add base64-encode functionality and bif.

Closes #965.
Adding a test for extract-certs-pem.pem.
Renaming Base64Decoder to Base64Converter.

It nows encodes and decodes.
Updating submodule(s).

 [nomail]
Fixing potential leak in DNS error case. From Vlad.

Closes #967.
fix gcc compile warning in base64 encoder
fix gcc compile warning in Benchmark reader
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  fix gcc compile warning in Benchmark reader
  fix gcc compile warning in base64 encoder
Add support for 802.1ah (Q-in-Q).