Merge pull request #344 from nsendetzky/master

Checks for invalid rows in text import and removes PayPal test
Initializes row counter
Merge pull request #346 from doleiynyk/2013-11-28_Small_setup_task_fix_orderFixEmailStatus

Initializes the row counter
Merge pull request #347 from nsendetzky/master

Fixes filter attribute paramter when used with applications requiring parameter prefixes
Merge pull request #348 from nsendetzky/master

Re-adds order ID to PayPal return URL and removes possibility to reset the payment status
Merge pull request #349 from nsendetzky/master

Fixes converting PayPal configuration
Merge pull request #350 from nsendetzky/master

Adds config to remove filter button and fixes error message list CSS
Merge pull request #351 from nsendetzky/master

Several minor improvements
Merge https://github.com/Arcavias/arcavias-core
Prevents mbstring extension to replace invalid characters by question marks