This reverts commit 3940c519 as
discussed in #1082.

Adding Arabic stopwords and keeping Engish stopwords as well, since most of the Arabic wikis contain a lot of English words.

These functions are already deprecated and replaced by the Mailer::
class. The deprecated tag was simply missing.

This also reverses the order of crypto protocols tried again. Using TLS
first again. related to #915

The code reading .bz2 compressed files did not correctly check for
possible read errors. In case of a corrupted file this could have led to
an infinite loop.

Thanks to Filippo Cavallarin from www.segment.technology for dicovering
this bug.

Added english translation for file-in-use reference

Added german translation for file-in-use reference

Added german translation for file-in-use reference

The OSX uses Unicode-NFD so normalization is required to manage multibyte characters.

( http://unicode.org/reports/tr15/ )

If don't do that, DokuWiki can't find the file uploaded from OS X with multibyte filename like '도쿠위키.jpg'

This reverts commit 362a4f08.

Added placeholder in search textarea