Updating minified JavaScript files
Pseudo update instructions for testing only
Overhauled manual package installation (backport from WCF 2.1)
Merge branch 'master' of github.com:WoltLab/WCF
Merge branch '2.0'

Conflicts:
	wcfsetup/install/files/acp/templates/packageInstallationConfirm.tpl
	wcfsetup/install/files/js/WCF.ImageViewer.min.js
	wcfsetup/install/files/lib/system/package/validation/PackageValidationArchive.class.php
	wcfsetup/install/files/lib/system/package/validation/PackageValidationException.class.php
	wcfsetup/install/files/lib/system/package/validation/PackageValidationManager.class.php
	wcfsetup/install/lang/de.xml
	wcfsetup/install/lang/en.xml