fix for #386
Merge pull request #387 from hrgdavor/fix-386

fix for #386
add a shebang line to all Ruby examples + chmod to be executable
Merge pull request #388 from jhoblitt/ruby_shebang

add a shebang line to all Ruby examples + chmod to be executable
fixed C# rrbroker bug
Merge pull request #389 from jayfcorbis/master

fixed bug in C# examples rrbroker.cs file
Merge branch 'master' of https://github.com/imatix/zguide