added czech translation, thanks to Jakub Kožíšek
hopefully fixing the display of subtitles by stripping more html tags that might break the display, closes #48
added option to automatically show 'all feeds' view on startup instead of categories, closes #47
updated translation files
german translation update
fixed the displaying of feeds with blockquote tags
added a pseudo registration link, hopefully closes #45
updated translations
Merge branch 'master' into nokia-store