Update Google Analytics code
Don't send mail with the user's address
Update 'bugcomics' name
Update 'evilinc' URL
Simplify 'evilinc' image selector
Improve 'gucomics' text extraction
Fix long line and class selector in 'marriedtothesea'
Fix title selector in 'mysticrevolution'
Explain use of User-Agent header
Improve image selector in 'wulffmorgenthaler'
Update changelog
Merge branch 'crawler-updates' into develop
Remove executable flag
Avoid potential crash in 'bugcomic'