Added curl CURLOPT_NOBODY option in geturl function to ensure the HEAD method is used when resolving permanent/temporary URL moves.
Merge pull request #386 from wolfgangasdf/master

After scrolling over all articles, show next feed or category automatically
mail plugin: only mail unique articles
mailto plugin: only mail unique articles
mail plugin: cleanup disabled completion, add configurable destination email list
mail plugin: destination dropdown css fix
Merge pull request #388 from dzaikos/fix-curl-head-request-method

Fixed geturl() function to ensure HEAD request method is used.
Update schema for size support of enclosures
Store size of enclosure to database
Add width/height attribute to image enclosures
Merge branch 'tribut-enclosure-size'
fix sharebyurl identifying articles by link instead of special synthesized guid which caused feed entries overwriting shared entries if their link matched
rebase translations
release 1.13
updated german translation
Merge pull request #391 from HeikoAdams/master

updated german translation
Update messages.po
Merge pull request #392 from Trottel/patch-1

Update messages.po