[author] bootstrap-datepicker 1.3.0

```
mkdir 1.3.0
wget https://github.com/eternicode/bootstrap-datepicker/archive/1.3.0.zip
7z x 1.3.0.zip '*/css' '*/js'
mv bootstrap-datepicker-1.3.0/{css,js} 1.3.0/
find 1.3.0 -name '*.js' -type f | sed 's/.js$//' | xargs -I :: uglifyjs ::.js -cm -o ::.min.js
find 1.3.0 -name '*.css' -type f | sed 's/.css$//' | xargs -I :: bash -c "cssmin ::.css > ::.min.css"
```