Update dependencies and fork

• features: fork last swing.js features (#10)
• lib: update dependencies

Angular v7

• breaking: Upgrade to Angular v7

Refactor components to directives

• breaking: Refactor components to directives in order to be compatible with Ionic v4 (>= beta.5) and/or Typescript v2.9.2
• fix: touchmove set as not passive

Revert rename `swing-card`

• revert: Revert rename swing-card

Rename `swing-card` component to `swing`

• feat: Rename swing-card component to swing in order to fix compatibility problem with Card from Ionic (Angular error: "More than one component matched on this element.")
• lib: Update last Angular dependencies

Fix Chrome complains relative to passive mode

• fix: Fix Chrome complains "Added non-passive event listener to a scroll-blocking..." (see Hammerjs commit #987)

Fix stack.destroyCard

• fix: stack.destroyCard was wrongly implemented
• feature: Observe prepend option in stack.destroyCard

Remove hammerjs import

• fix: Remove import of hammerjs (see README or CHANGELOG v2.1.0

Cards' position in the stack not modified per default anymore

• feature: Cards' position in the stack is not modified per default anymore. This is now optional, use StackConfig.sortCards if you wish to do so
• refactor: The prepend option as been moved to StackConfig.prependCards
• lib: Update all libs dependencies

hammerjs dependency removed

As it was previously, the dependency to hammerjs has been removed from this library

If your project's framework already use hammerjs, you gonna be fine. If not, include explicitly hammerjs in it as describe in the README.md