Preventing issues with parallel requests assigning users
Fixed an issue causing the heart smiley in the last line to truncate content
Fixed <preset>0</preset> not being properly handled during install
Merge branch '2.0'

Conflicts:
	wcfsetup/install/files/js/3rdParty/ckeditor/plugins/wbbcode/plugin.js
Fixed status code
Fixed regex
Merge branch '2.0'

Conflicts:
	wcfsetup/install/files/js/3rdParty/ckeditor/plugins/wbbcode/plugin.js