pedigree rename to parentlinks: renamed files, to start with

Signed-off-by: intrigeri <intrigeri@boum.org>

diff --git a/IkiWiki/Plugin/pedigree.pm b/IkiWiki/Plugin/parentlinks.pm
similarity index 100%
rename from IkiWiki/Plugin/pedigree.pm
rename to IkiWiki/Plugin/parentlinks.pm

diff --git a/doc/plugins/pedigree.mdwn b/doc/plugins/parentlinks.mdwn
similarity index 100%
rename from doc/plugins/pedigree.mdwn
rename to doc/plugins/parentlinks.mdwn

diff --git a/t/pedigree.t b/t/parentlinks.t
similarity index 100%
rename from t/pedigree.t
rename to t/parentlinks.t

diff --git a/t/pedigree/templates/pedigree.tmpl b/t/parentlinks/templates/parentlinks.tmpl
similarity index 100%
rename from t/pedigree/templates/pedigree.tmpl
rename to t/parentlinks/templates/parentlinks.tmpl