css fix for keyboard navigatin

light base css update (border + padding) in order to improve keyboard
navigation behaviour (article doesn't move when selected).
Remove PHP notice when there is a validation error on settings page
Minor CSS improvements
Add items paging
Change count_bookmarks() to include only read/unread items and remove opacity
Improve items paging, get config values, add option to set the number of items per page and add comments
Rewrite translations loading, remove useless language cookie
Add support to override application constants
Add support to dump debug output to a log file
Add check on curl extension
Merge branch 'master' of git://github.com/ayodio/miniflux into ayodio-master
Change color of the preview for the selected item
add simplified chinese translation
fix utf8 encoding
added italian locale
Integrate translations: Italian and Simplified Chinese
Add list of contributors to the readme
Update readme
Fix typo in readme
create feed title with collate nocase fixes #67