translation update

translation update

translation update

translation update

translation update

translation update

fixed missing bug icon in extension manager (since #1247)

fixed wrong format string in authldap translation

updated dates in various info.txt files

fix problem with IE11

hopefully doesn't break in the other browsers

changed input submits to buttons, fixed small RTL issue

remove IE7 support

Update lang.php

Please someone who know the code, double check this one.
It does look that translation for 2 options were missing.

fixed styling preview in IE

IE doesn't like it when you create a DOM element in one window and
try to insert it in another window.

translation update

translation update

added plugin to list of bundled extensions

readded cookie to styling plugin

remove deleted files on update of extension

Resolves #1192

`/lib/plugins/<plugin>/deleted.files`
which list files that can be removed e.g.
```
# This is a list of files that were present in previou

remove deleted files on update of extension

Resolves #1192

`/lib/plugins/<plugin>/deleted.files`
which list files that can be removed e.g.
```
# This is a list of files that were present in previous plugin releases
# but were removed later. An up to date plugin should not have any of
# the files installed
action.php
folder/file.txt
```

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translation update

translation update

fixed a few links and html errors in language files

fixed occurrences of html named entities in translation files to be xhtml-compatible

fixed lots of missing format strings in language files

changed all input type=submit buttons to button type=submit button for better stylability