feat(yargs): bump yargs to v14 (nanovazquez#21)

BREAKING CHANGE: This upgrade could introduce several breaking changes with yargs

feat: fix security issues (nanovazquez#20)

feat(prompt): New `if-no-arg` prompt option (nanovazquez#17)

Authored-By: iamturns <matt@iamturns.com>

* Add new `if-no-arg` prompt option
* Update README.md explaining new prompt option
* Add tests for each prompt option

chore(semantic-release): Bump semantic release to its latest version (n…

…anovazquez#16)

fix(interactive-mode): Pass choices directly to inquirer (fixes nanov…

…azquez#10) (nanovazquez#11)

feat(prompt): Add the 'if-empty' value to the prompt option (closes n…

…anovazquez#8) (nanovazquez#9)

BREAKING CHANGE: this feature breaks the contract of the prompt property, changing it from a boolean to a string.

fix: Simplified examples and documentation

feat(interactive-mode): Support interactive as an option (nanovazquez#6)

* feat(interactive-mode): Support interactive as an option

* test: Replace beforeEach with before

fix(npm): Change usage from a bin to a JS file (nanovazquez#5)

chore(Travis): Update .travis.yml to work with semantic-release