Fixed parameter name in the comment
Container type can be set on scraper level

If set on scraper level than container type is automatically propagated to every and each container parsed.
Added function that normalizes place name
Improved function that normalizes place name
Renamed util.js to parser_util.js

It prevents name collision in scraper.
Scraper normalizes place names
Added scraper for electro waste containers in Prague 8
Added scraper for textile containers in Prague 8
Further improved parserUtil.normalizePlace()
Removed place name modifications in scrapers

Place normalization is now performed in base scraper class so it is redundant to do it also in parse methods.