Remove unused StandardImageExtractor
Allow extraction of all the images in the order found in the HTML
Add test for getting all images
Update surefire dependency to 2.17
Allow settings imagemagick binaries using env vars
Rename AllImages and TextExtractions tests so they always run
Accept single cookie header

Accept cookies from web sites which put all the cookies into one request
header.
Check stale connections
Re raise unknown exceptions
Merge remote-tracking branch 'remotes/pickl-it/master'

Conflicts:
	pom.xml
	src/main/scala/com/gravity/goose/Article.scala
	src/main/scala/com/gravity/goose/Configuration.scala
	src/main/scala/com/gravity/goose/Crawler.scala
	src/main/scala/com/gravity/goose/images/ImageExtractor.scala
	src/main/scala/com/gravity/goose/images/StandardImageExtractor.scala
	src/main/scala/com/gravity/goose/images/UpgradedImageIExtractor.scala
	src/main/scala/com/gravity/goose/network/HtmlFetcher.scala
	src/test/scala/com/gravity/goose/TestUtils.scala
	src/test/scala/com/gravity/goose/TextExtractionsTest.scala
- fix compilation errors after merge
- upgrade to scala 2.11.2