store choices for recent changes and diff views in cookie (FS#2438 and
FS#2700)

Note: These changes don't work yet. The cookie is not set and deletes the old
one.

fix for FS#2676, inserting zero length spaces into long sequences of non-breaking characters in diffs

Implement media subscriptions in the new subscription class

Add threading headers to change notification mails as proposed in PR #120

added SHA512 hashing method FS#2663

allow varying salt length in password hasher

Added loadHelper() to DokuWiki_Syntax_Plugin.

added mediawiki password method FS#2559

This should make migrating from MediaWiki a bit easier.

added minified version of jquery-migrate

added jquery-migrate as a copatibility layer

this will be removed soon again. plugins using jQuery should make sure
they are compatible to jQuery 1.9

fixed closing of link wizard

fixed permission messup

Indexer: abort page rename if deletion of new id fails

Indexer: added internal deletePageNoLock method

The new deletePageNoLock method is used by renamePage and avoids that
the index needs to be unlocked and locked again for deleting the page.

Clarified the behavior of the Doku_Indexer::renamePage method

Indexer rename test cases: assert that renames succeed

link directly to subscription management in mails

This was updated in the english translation a while ago, but was still
missing in some translations

Add test cases for indexer rename page/meta value methods

only use mailfromnobody for bulk mails

added missing context for list mails

updated year in copyright

fixed files being unselectable after upload (FS#2591)

fix custom editor loading

Custom editors can also be loaded when not a section is given. For
example this happens on a preview click where the page is already
separated into pre, suf and text.

fixed test case

Revert "handle bzip1 as well"

This reverts commit f2cb3ec76dec3fe2b40f25765ef842223c7132fe.

Turns out I was too fast merging this. I can't get PHP's bzip handler to
handle a bzip1 compressed file.