fixed C# rrbroker bug
Merge pull request #389 from jayfcorbis/master

fixed bug in C# examples rrbroker.cs file
Preparing Chinese docbook to pdf

see bin/mkpdf

$ dblatex -V -t tex -p zh/custom.xsl book.xml
$ xelatex -interaction=nonstopmode book.tex
mkhtml
Add chinese translation: part of chapter1
Update chapter1.md
Add chinese translation: preface
Add vagrant and ansible provision
Update preface
Update zh chapter1
Update zh translation