Changes status value so the correct icons in the admin interface are used
Improves text export implementation
Removes file readded during merge
Removes language and currency to enforce managers returning all texts and prices during index rebuild
Tests for paramter and result type because the ExtJS frontend returns a JSON string
Sets job method to display only so editors can't insert garbage
Adapts test to changed status values
Uses fgetcsv() for parsing files because it can cope with file generated by Excel or OpenOffice
Skips first description line in files for importing texts
Ignores temporary directories
Merge pull request #342 from nsendetzky/master

Improves import and export of CSV files in ExtJS controller