mysqli: We are using procedural mysqli so use mysqli_connect_error() instead of mysqli_error()
sphinx: type cast port to integer
make uncombined read headlines list more readable
Merge pull request #214 from JB1tz/master

Fix mysqli connection error debugging
format_tags_string: fix typo
Changing error.php?mode=js from text/plain to text/javascript 

Changing the js mimetype to text/javascript to avoid problems with some proxy configurations.
support dc:date elements in rss and atom feeds
do not unlink lockfiles (closes #703)
Merge pull request #216 from PerryWerneck/master

Changing mimetype reported by errors.php?mode=js to avoi proxy problems.
properly handle per-feed hide_images setting in three panel mode (closes #706)
fix nsfw plugin
hide warning when checking for tt-rss tables if tables are not present
nsfw: fix wrong delimiter when expanding tag_cache
support custom order in generated feeds (closes #709)
opml: fix filter parameters inverse and title not being properly imported from OPML
add experimental floating title when scrolling long articles in combined mode
limit floatingTitle width
use text-overflow in floatingTitle
clamp content preview to single line in three panel mode
move notify a bit to the left so it woulnd't obscure browser scrollbar