Add Comhairle Nan Eilean Siar scraper.

python_scrapers/SitesToGenerate.csv

@@ -223,3 +223,5 @@
 "Daventry District Council", "Daventry", "http://www.daventrydc.gov.uk/swiftlg/apas/run/wphappcriteria.display", "SwiftLG", "SwiftLGParser"
 "Shetland Islands Council", "Shetland Islands", "", "Shetland", "ShetlandParser"
 "The Royal Borough of Kensington and Chelsea", "Kensington and Chelsea", "", "Kensington", "KensingtonParser"
+"Comhairle Nan Eilean Siar", "Comhairle Nan Eilean Siar", "http://planning.cne-siar.gov.uk/PublicAccess/tdc/", "PublicAccess", "PublicAccessParser"
+