add core log level to Dancer2::Manual #649
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Merge branch 'pr/649-docs'
Escaping '*' for consistent markdown highlighting

Using *BSD highlighted the remaining text as bold inside vim.  Escaping the
'*' removes this issue and works in standard and GitHub markdown.
Consistently capitalising 'Perl'

The word 'Perl' was used both capitalised and lowercase versions often
referring directly to the same thing.  This change at least makes the usage
consistent.  I could make all instances lowercase if that is the preferred
usage.
Correcting plural usage
Consistently hiphenating "pull request"
Minor grammatical corrections to GitGuide text
Consistently capitalising "perlbrew"
Formatting "dzil" as code in running text
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Merge branch 'pr/git_guide_markdown_fixes'
Removing trailing whitespace from markdown files

I know this is probably quite picky, however removing trailing whitespace
gives a much cleaner "feel" to a document when one is editing it.
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Merge branch 'pr/remove_trailing_whitespace_from_md'
Removing note about _devel_ branch from GitGuide.

The _devel_ branch has been removed, thus this doesn't need to be mentioned
in the guide anymore.
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Merge branch 'pr/remove_devel_from_gitguide'
Adding --no-author option to `dzil test` in GitGuide

Instead of making the users run author tests, and thus requiring them to
install more modules than necessary, they can specify the --no-author option
to skip these tests when testing Dancer2.
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