added zmq with protobuf example
add glui example
update pedraza's glui example
Examples cimg
Some changes
Merge pull request #110 from hithwen/master

Updated glui example to use latest glui
Merge pull request #111 from lasote/master

CImg example
jsonxx example refactor
Merge remote-tracking branch 'biicode/master'

Conflicts:
	c++/examples.rst