Added Java example + minor fixes

Added the Java example, and made minor fixes in the comments of the C++
example.
Merge pull request #13 from rosemwahlin/master

New Java example for QueryCondition, minor fixes for C++
Added C# example, fixed C++ example

- Added a new C# example showing how to use WaitSets and
StatusConditions to be notified of data availability.
- Fixed tabs vs. spaces issues in C++ example
- Removed unnecessary liveliness QoS from C++ example
Merge pull request #14 from rosemwahlin/master

Added C# example, fixed C++ example
Added get_publishers example
fixed readme
fixed readme
Merge pull request #15 from gianpiero/master

Added get_publishers example
C# QueryCondition example

Added C# for the QueryCondition example.
Minor mistake in readme files

Fixed minor mistake in readme files
Merge pull request #16 from rosemwahlin/master

Added C# example for query conditions, fixed readme error
Example writing data in Lua

A simple example writing Temperature data in Lua.
Added newline to end of readme
Merge pull request #17 from rosemwahlin/master

Added simple Lua writing temperature data example
Added Java example, fixed readme typo
Merge pull request #18 from rosemwahlin/master

Added Java polling read example
Java example for QoS Profiles

- Java example for QoS Profiles
- Fixed minor typo in waitset with status condition README
Update README.txt
Merge pull request #19 from rosemwahlin/master

Java example for QoS Profiles
Initial import of C builtin topic