Allow @CURNS@ to be capitalised in namespace templates

Personally I have some pages where I use
@CURNS@ - @PAGE@ or @CURNS@ @PAGE@ as the title
so this change saves me a bit of manual
capitalisation

translation update

translation update

translation update

add wpru interwiki prefix

avoide codesniff warnings on deliberate switch fallthrough

codesniffer and Idea unfortunately can't agree on the comment format to
mark a deliberate fallthrough in a switch statement. so we have to

avoide codesniff warnings on deliberate switch fallthrough

codesniffer and Idea unfortunately can't agree on the comment format to
mark a deliberate fallthrough in a switch statement. so we have to use
both :-/

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Support "local" subdir when listing the smiley directory

Rename HTTPClient namespace to HTTP

This should make namespace a bit more flexible in scope and allow us to
move more functionality there later.

Rename protected methods for PSR2

Move deprecated HTTPClient classes to deprecated.php

Refactor HTTPClient into different files

fix zero ID/NS issue with page_findnearest

add ID/NS = '0' test against page_findnearest

fix zero value issue with metadata indexer

add key/value = '0' test to metadata indexer

fix zero ID issue with linkwiz and search indexer

fix zero ID issue with wl() and getID()

add $ID = '0' test against wl() and getID()

cookie.js when setValue‘s value parameter is false delete entry

install.php: respect useacl=0 choice, fixes #2576

cookie.js add def parameter to getValue()

cookie.js convert value type to string

This prevents different type returned for DokuCookie.getValue():

DokuCookie.setValue('foo', false);
console.log(DokuCookie.getValue('foo')); // false
location

cookie.js convert value type to string

This prevents different type returned for DokuCookie.getValue():

DokuCookie.setValue('foo', false);
console.log(DokuCookie.getValue('foo')); // false
location.reload(); // pseudo code
console.log(DokuCookie.getValue('foo')); // 'false'

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set_doku_pref bugfix, closes #2721

- Read last entries (if duplicate) when get
- Remove duplicate entries when set
- Type-aware compare to decide append or modify
- Remove $cookieVal empty check bef

set_doku_pref bugfix, closes #2721

- Read last entries (if duplicate) when get
- Remove duplicate entries when set
- Type-aware compare to decide append or modify
- Remove $cookieVal empty check before setcookie, because there might be cases when we want to remove cookie

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more definition tests of doku_pref, for #1129

add tests for get/set_doku_pref #2721