Upload Hello Wolrd! plugin
Little updates.
Merge pull request #1 from mybb/feature

MyBB_feature
Merge branch 'feature' of https://github.com/mybb/mybb into feature
Fix visual glitch

valign="top" -> valign="middle"
Merge branch 'feature' of https://github.com/mybb/mybb into feature
Fix #1540

Removed redundant assignments so that the Contact Details box in profile
gets hidden when needed.
https://github.com/mybb/mybb/issues/1540
Modify it a bit

...
Fixes #261 - javascript:Example -> jExample
Fixes #1233
Fix version + add "top" for last post
Fix #1590

No "Use Default" option in ACP's language preference.
https://github.com/mybb/mybb/issues/1590
Fix #1600

Removed unnecessary `` which cause problems with pgsql.
https://github.com/mybb/mybb/issues/1600
Merge branch 'feature' of https://github.com/mybb/mybb into feature
Fixes #1606 - Email with subject bug
Fix #1617 Sanitize input from MyBB server
Merge branch 'feature' of https://github.com/mybb/mybb into feature
Fixed missing htmlspecialchars_uni for #1304.
Fixes escaping of latest news.
Fixed description and link escaping.