Log Message:
www/ruby-mustermann: update to 1.0.2

* **Mustermann 1.0.2** (2017-02-17)
    * Look ahead same patterns as its own when concatenation.  Fixes \ 
[sinatra/sinatra#1361](https://github.com/sinatra/sinatra/issues/1361) \ 
[@namusyaka](https://github.com/namusyaka)
    * Improve development support and documentation.  \ 
[@EdwardBetts](https://github.com/EdwardBetts), \ 
[@284km](https://github.com/284km), [@yb66](https://github.com/yb66) and \ 
[@garybernhardt](https://github.com/garybernhardt)