…guments and check required arguments after parsing

Sync with head

…pencerCDixon#10-cli-default

* 'master' of https://github.com/jamesr73/redux-cli:
  Starting development on 2.0
  1.9.0
  Adds yarn and updates package.json to not use explicit .bins
  Fixes redux g
  Fix example for .reduxrc
  Fix additional instances of typo in readme.md
  Fix typo in readme.md
  fix: } doesn't ( in blueprint file. guess it's a mistake :)
  Changed error message mentioned in SpencerCDixon#35
  Fixed typo in readme code example
  Releases v1.8.0 with dry run support
  added test for writeWouldCreate
  add dry run option for redux generate
  Adds changelog updates to readme
  1.7.0
  Adds -U option to 'new' command in order to generate a UI Kit boilerplate
  Fix readme typo
  Adds a flag to new command for using the redux-cli-boilerplate
  1.5.1

# Resolved Conflicts:
#	src/cli/redux-generate.js
#	src/cli/redux-new.js