Merge pull request #352 from nsendetzky/master

Removes invalid UTF-8 characters from text content
Merge pull request #353 from nsendetzky/master

Removes HTML <br> tags at the end of texts produced by the admin interface
Merge pull request #354 from nsendetzky/master

Fixes form URL for catalog filter
Merge pull request #355 from nsendetzky/master

Allows more than one config directory
Merge pull request #356 from nsendetzky/master

Fixes test that sets text manager stub and produced side effects
Merge pull request #357 from nsendetzky/master

Fixes trailing comma in JS file
Merge pull request #358 from nsendetzky/master

Enables HTML for product names
Merge pull request #362 from nsendetzky/master

Sets service attribute type correctly and adds warehouse and plugin default data to unitperf site
Moves PHPExcel license to ext-phpexcel
Merge https://github.com/Arcavias/arcavias-core
Adapts translations for direct debit config keys