Log message:
Update security/py-yara to version 3.4.0

The changes include:

 * Short-circuit evaluation for conditions
 * New yr_rules_save_stream/yr_rules_load_stream APIs.
 * load() and save() methods in yara-python accept file-like objects
 * Improvements to the PE and ELF modules
 * Some performance improvements
 * New command-line option --print-module-data
 * Multiple bug fixes.

Log message:
Extend PYTHON_VERSIONS_INCOMPATIBLE to 35

Log message:
Add SHA512 digests for distfiles for security category

Problems found locating distfiles:
	Package f-prot-antivirus6-fs-bin: missing distfile fp-NetBSD.x86.32-fs-6.2.3.tar.gz
	Package f-prot-antivirus6-ws-bin: missing distfile fp-NetBSD.x86.32-ws-6.2.3.tar.gz
	Package libidea: missing distfile libidea-0.8.2b.tar.gz
	Package openssh: missing distfile openssh-7.1p1-hpn-20150822.diff.bz2
	Package uvscan: missing distfile vlp4510e.tar.Z

Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden).  All existing
SHA1 digests retained for now as an audit trail.

Log message:
Add DIST_SUBDIR

Log message:
Yara python bindings