Remove straggler file in the tools directory
iter: Add p11_kit_iter_get_attributes() function

A simple wrapper for C_GetAttributeValue()
iter: Fix return value in rare memory allocation case
enumerate: Use p11_enumerate_ready() from tests

This gives a little broader testing of the enumerator

https://bugs.freedesktop.org/show_bug.cgi?id=73558
attrs: Allow NULL attribute to be passed to p11_attr_hash()

This allows simpler lookups.

https://bugs.freedesktop.org/show_bug.cgi?id=73558
enumerate: Preload and respect blacklist across all tokens

This fixes an issue where a blacklist in one token wasn't properly
skipping anchors being extracted with extract-compat

https://bugs.freedesktop.org/show_bug.cgi?id=73558
Move gtk-doc.make into build directory
Build in srcdir != builddir fashion by default

Naturally this doesn't apply to tarballs
trust: Add installcheck target for testing extract

This is an integration test that the extract and blacklist
functionality basics work.

More integration tests should follow, at which point we should
place the various generic testing bits into their own file.
test-iter: Fix use of uninitialized variable
distcheck: Build with optimizations so we get proper warnings
Release version 0.20.2