[imp] Codestyle fixes for plugins. Fixes #3322. Fixes #3323. Fixes #3324. Fixes #3325. Fixes #3326. Fixes #3327. Fixes #3328. Fixes #3329

@package     Joomla.Plugin
@subpackage  System.p3p

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.languagefilter

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.sef

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.cache

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.languagecode

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.logout

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.Highlight

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.Debug

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.redirect

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.log

CodeStyle correction

@package     Joomla.Plugin
@subpackage  System.remember

[CodeStyle] Add description for onUserLogout

[CodeStyle] add variable description

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Twofactorauth.totp

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Twofactorauth.yubikey

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Search.weblinks

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Search.categories

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Search.contacts

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Search.content

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Search.newsfeeds

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Finder.Categories

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Finder.Contacts

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Finder.Content

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Finder.Newsfeeds

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Finder.Tags

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Finder.Weblinks

Fix word spelling

[UNDO] Codestyle changes

Reason:
https://github.com/joomla/joomla-cms/pull/3326#issuecomment-38005234

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Extension.Joomla

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Content.Contact

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Content.emailcloak

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Content.loadmodule

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Content.vote

[CodeStyle] add variable description

[CodeStyle] change variable description

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Authentication.joomla

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Authentication.cookie

[CodeStyle] additional CodeStyle according https://github.com/shopfe/joomla-cms/commit/8da6fe6e361a5287902ae4a41d317478f15bd4d2#commitcomment-5721073

CodeStyle correction

@package     Joomla.Plugin
@subpackage  Editors.none

[CodeStyle] Add description for onGetInsertMethod