Merge branch '1.24'

# Conflicts:
#	Configurations/ConfigCommon.xcconfig
#	Sparkle.podspec
#	Sparkle/SUUpdateAlert.m

Merge pull request sparkle-project#1582 from Wevah/generate-appcast-h…

…ashpath

Fix missing Danish translations in Sparkle.strings

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retagged from parent repo

Merge pull request sparkle-project#1458 from BitShift-Tech/appcast-ge…

…neration-file-extention

SUFeedUrl generate appcast file extension (let fix)

Update Sparkle.strings

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retagged from parent repo