speed: lowercase ext on image insert
avoids having to lowercase every build_thumb_html call
most extensions tend to match against their lowercase versions anyway
speed: use isset rather than identical
[.+]tags metatag for tag_categories
This is nowhere as near as fast as I'd like. Need to find a better query.
have query use EXISTS rather than IN
preferably we would have a table with image tag counts, but this works for now
order[=|:]random_#### metatag
possible replacement for random_list ext?
use default minchars again
the tag list only returns a max of 10 results, and is only called once per autocomplete, making it harder to autocomplete longer tags
Merge pull request #381 from jgen/master

Automated Tests via Travis-CI
updated date/links in footer
fix strict standard errors
various autocomplete tweaks
* made limit for /api/internal/tag_list/complete optional (as this breaks the autocomplete on dbs with lots of tags)
* removed delay + minChars = 1 again (due to above change)
* first autocomplete tag is selected by default
* tab now works as a select button
* autocompleted tags will now be followed by a space (so the next tag can be instantly autocompleted)
DATETIME > SCORE_DATETIME
fixes #354
PostgreSQL doesn't return trimmed results for CHAR columns, so use VARCHAR instead
use elseif
fix fourm errors under postgresql
Merge branch 'master' into develop
use different selector rather than hardcoding url
make sure all existing exts are converted to lowercase
Merge pull request #382 from DakuTree/patch

New metatags, fixes various PostgreSQL errors & misc tweaks.
don't add "tagme" when trying to mass-edit to null
fixes #233
Add option to use transloaded URL as source
fixes #234