Move examples into 'websockets' folder

In the packaging process the content of all 'examples' folders are
copied together into one folder ... so modules are supposed to have
their submodule name as a sub-folder of 'examples'.

Change-Id: I9981b914e8268c932ca5a3d1c9fa73f8db0b6a5b
Reviewed-by: Kurt Pattyn <pattyn.kurt@gmail.com>