Updated copyright date in login.inc.php

Updated all languages to 2014

(cherry picked from commit 6b3707a7eb3400297a0a4dda18a790781f6339f6)
Login error handling message for invalid username in en lexicon

Username error message shows which user accounts are configured.
Attacker can guess the username. Message should be more generic so that
an attacker cannot guess a configured user account.

(cherry picked from commit 681ca406f16448f16bc166e03ce4759a5f0ba975)
Login error handling message for invalid username in other lexicons

non-english lexicons

(cherry picked from commit 9d6088383e72d6987eebf7c7fd183d607773fb42)

Conflicts:
	core/lexicon/es/login.inc.php
	core/lexicon/et/login.inc.php
	core/lexicon/fr/login.inc.php
	core/lexicon/it/login.inc.php
	core/lexicon/nl/login.inc.php
	core/lexicon/pt-br/login.inc.php
	core/lexicon/sv/login.inc.php
	core/lexicon/th/login.inc.php
Login error handling message for invalid username
Login error handling message for invalid username

* origin/pr/11165:
  Login error handling message for invalid username
  Login error handling message for invalid username

Conflicts:
	core/lexicon/es/login.inc.php
	core/lexicon/et/login.inc.php
	core/lexicon/fr/login.inc.php
	core/lexicon/it/login.inc.php
	core/lexicon/nl/login.inc.php
	core/lexicon/pt-br/login.inc.php
	core/lexicon/sv/login.inc.php
	core/lexicon/th/login.inc.php
Changed some German phrases
Compress images in setup\assets

Lossless image compression
Compress favicon

Lossless image compression
Compress images in manager\templates\default\

Lossless image compression
Compress images in manager\assets\ext3

Lossless image compression
Compress images in _build

Lossless image compression
Compress images in setup\assets

Lossless image compression
Fixed an error while event throws false or non array
Updated check if the event output is an array
Fixed an error while element not found event returns false or non array

* origin/pr/11178:
  Updated check if the event output is an array
  Fixed an error while event throws false or non array
Fixed an error while event throws false or non array

(cherry picked from commit 3781653fe5762a5ff7d2558f310b81158d0176f9)
Updated check if the event output is an array

(cherry picked from commit aca2861456bb121a750f5cc103149510951b534b)
Fixed an error while element not found event returns false or non array
Added ability to define "welcome" action & namespace
Better be handled at the controller level (modManagerRequest)