feedparser: check if initial xpath query for root element returns anything
fixes "undefined index" notice
Merge pull request #228 from WGH-/installer_undefined_index

fixes "undefined index HTTPS" notice in installer script
add rel=noreferrer to article links
Update messages.po

Typo in translation.
Merge pull request #229 from skibbipl/patch-1

Update messages.po
better root element detection for atom content type xhtml (closes #720)
Add missing hotkey handler
Merge pull request #230 from lotrfan/hotkey_fix

Add missing hotkey action