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Merge remote-tracking branch 'origin/yl' into yl

Conflicts:
	src/com/hetzer/crawlite/CrawlJobManager.java
	src/com/hetzer/crawlite/processers/AbstractExtractor.java
	src/com/hetzer/crawlite/processers/Download_HTML.java
	src/com/hetzer/crawlite/processers/Download_Image.java
	src/com/hetzer/crawlite/processers/Extractor_Implementation.java