npm install @adamwood/gulp-cssminDuplicate of gulp-minify-css

minify css using gulp.
Install with npm
```
npm install --save-dev gulp-cssmin
`js
var gulp = require('gulp');
var cssmin = require('gulp-cssmin');
var rename = require('gulp-rename');
gulp.task('default', function () {
gulp.src('src/*/.css')
.pipe(cssmin())
.pipe(rename({suffix: '.min'}))
.pipe(gulp.dest('dist'));
});
`
See the css-min options.
- Show loging
showLog` : (True, false) to trun on or off of the log
- https://github.com/sindresorhus/gulp-imagemin
- https://github.com/gruntjs/grunt-contrib-cssmin
MIT @chilijung