i18n: remove obsolete lua i18n files
* luci/modules/freifunk: fix translation of contact page
* luci/i18n: remove freifunk related string from german core translation * luci/modules/freifunk: add english translation, prefix strings with "ff_"
Bump i18n-files
Updated XML translation system, fixed some errors with multiline-translations Thanks: Alina Friedrichsen
* luci/i18n: updated translation files, xhtml fixes in openwrt.org theme
* luci: add memory status patches from soma
* Completed cleanup of German translation