Bump cancancan from 2.0.0 to 2.1.4

[dependabot-preview]

Bumps cancancan from 2.0.0 to 2.1.4.

Changelog

Sourced from cancancan's changelog.

2.1.4 (Apr 09th, 2018)

• Inject cancancan in ActionController::API and ActionController::Base when they are both defined (arturoherrero)

2.1.3 (Jan 16th, 2018)

• Fix compatibility with Rails 5 API (Eric-Guo)

2.1.2 (Nov 22th, 2017)

• Various bugfixes on version 2.1.0

2.1.0 (Nov 10th, 2017)

• Adds support for Rails Api applications (coorasse & ajgon)
• Controller subclasses inherit skip_load_resource from superclass (jpmckinney)
• Fix instance variable not initialized warnings (sethcharles)
• Fix build_resource when model name is Action (anilmaurya)
• Smaller performance improvements (DNNX)
• Fix i18n lookup for unauthorized message (clemens)

Commits

• 68772b4 Merge branch 'release/2.1.4'
• 687669d bump version and changelog
• 0262b1c Rails 5 support for ActionController::Base and ActionController::API (#491)
• e2bfddf Update .rubocop.yml (#477)
• 0e42c4e Merge branch 'develop'
• c47820c Support for ruby 2.5.0 and fix Travis CI (#476)
• 3b9a3e3 Merge branch 'release/2.1.3' into develop
• b602439 Merge branch 'release/2.1.3'
• 47bf5d9 bump version and update changelog
• cf9aa57 #457 Add Rails 5 API support in proper way (#457)
• Additional commits viewable in compare view

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Superseded by #398.