fix webplayer submodule
Merge branch 'master' into module-migration
completely rewrite migration preview
add AJAX service to validate URLs
migrate posts as pending
migrate redirect_url so links don't break
migration: add ajaxy media file validation
migration: checkbox to check/uncheck all episodes
migrate taxonomies
fill migration-settings-basics with sensible defaults
enlarge some form fields
fix no more enclosures
update repo link in readme
totally secret feed feature: content encoded :worried:
generate nice slug when migrating
display enhancements
fix notice
fix: trashed posts no longer occupy their post slug
upgrade Podlove Web Player to 2.0.5
fix web player encoding issues

I didn't realize that some filters are already applied to the title
since it's something maintained by WordPress. Now I am applying the
same filters to summary and subtitle.

#fixes 10