TransXChange2GTFS converter: Superfluous service_id's in calendar files.

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Services where all trips are resolved into individual service_id's (i.e. that 
contain a '@') are still rolled out in the calendar.txt and calendar_dates.txt 
file. Although technically not incorrect, these service_id's do not contain a 
trip, and should be skipped from the calendar files of the feed.

Original issue reported on code.google.com by Joachim....@gmail.com on 4 Apr 2011 at 7:09

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Original comment by Joachim....@gmail.com on 6 Apr 2011 at 4:51

• Added labels: Type-Enhancement
• Removed labels: Type-Defect

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Extend skipemptyservice control flag to filter out superfluous service_id's

Original comment by Joachim....@gmail.com on 6 Apr 2011 at 4:53