adding MODULE_SMILEY and remove defined

adding MODULE_SMILEY and remove defined MODULE_USER_SIGNATURE
Added permission check for PHPInfoPage
add default colors for icons
rename german twitter options
rename en twitter options
Fixed update script
Fix <title> in rssFeed.tpl
Properly escape title in rssFeed.tpl
Added missing language modifier
Updating release date
Improve formatting of acptemplates footer and index
Resolved two issues related to exceptions
Fixed license
Merge branch 'master' of github.com:WoltLab/WCF
Merge pull request #1681 from Fighter456/rssFeedDescriptionFix

Added missing language modifier
Fixed typo

Closes #1676
Merge branch 'master' of github.com:WoltLab/WCF
Added missing spider

Fixes #1673
Merge pull request #1672 from joshuaruesweg/patch-12

rename twitter options
Merge pull request #1670 from Stricted/icon_color

add default colors for icons