Fix item rep compilation duration recording
Fix profiling feedback formatting
Fix supposedly NTFS-related "races" for the `tmp` directory
Merge pull request #367 from raphinesse/ntfs-issue

Fix supposedly NTFS-related "races" for the `tmp` directory
Merge pull request #365 from nanoc/bug/broken-verbose-compile-output

Fix profiling feedback formatting
Merge pull request #364 from nanoc/bug/skip-with-huge-value

Fix item rep compilation duration recording
Update release notes for 3.6.7
Swallow broken pipe errors
Merge pull request #369 from nanoc/bug/broken-pipe

Swallow broken pipe errors
Add broken pipe fix to release notes
Add missing issue #s to release notes
Simplify wording in release notes
Merge branch 'release-3.6.x'
Merge branch 'master' into old-4.x

Conflicts:
	lib/nanoc/cli/commands/compile.rb
	test/base/test_context.rb
	test/base/test_directed_graph.rb
	test/helpers/test_link_to.rb