Changeset 9608

#2070:

• changed parse methods in TableFileParser to accept a bool which defines, if the first line contains variable names
• added methods in TableFileParser to check if the first line contains variable names
• adapted unit tests
• adapted DataAnalysisImportTypeDialog so that a checkbox can be set to define if the first line contains variable names
• added the flag NumberStyles.AllowTrailingSign for parsing doubles