Update all - autoclosed

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/codegangsta/cli	require	minor	v1.20.0 -> v1.21.0
github.com/smartystreets/goconvey	require	digest	68dc04a -> 505e419

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Release Notes

codegangsta/cli

v1.21.0

Compare Source

Fixed

• Fix using "slice" flag types with EnvVar in urfave/cli/pull/687 via @​joshuarubin
• Fix regression of SkipFlagParsing behavior in urfave/cli/pull/697 via @​jszwedko
• Fix handling ShortOptions and SkipArgReorder in urfave/cli/pull/686 via @​baude
• Fix args reordering when bool flags are present in urfave/cli/pull/712 via @​windler
• Fix parsing of short options in urfave/cli/pull/758 via @​vrothberg

Added / Changed

• Added "required flags" support in urfave/cli/pull/819 via @​lynncyrin
• Cleaned up help output in urfave/cli/pull/664 via @​maguro
• Case is now considered when sorting strings in urfave/cli/pull/676 via @​rliebz
• Backport JSON InputSource to v1 in urfave/cli/pull/598 via @​jszwedko
• Allow more customization of flag help strings in urfave/cli/pull/661 via @​rliebz
• Allow custom ExitError handler function in urfave/cli/pull/628 via @​phinnaeus
• Allow loading a variable from a file in urfave/cli/pull/675 via @​jmccann
• Allow combining short bool names in urfave/cli/pull/684 via @​baude

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[coveralls]

Coverage remained the same at 94.161% when pulling 25cc76a on renovate/all into 7d64470 on master.