Refactoring
Starting documentation of tutorial
Refactoring
Merge https://github.com/Ambrosys/gpcxx into gerard/example
Changed output to stderr,
dot file is writen to stdout
Fixed Arity != 2 compile problem
Merge branch 'master' of https://github.com/Ambrosys/gpcxx into gerard/example

Conflicts:
	examples/artificial_ant/ant_simulation_nodes.hpp
	examples/artificial_ant/artificial_ant_main.cpp
	include/gpcxx/tree/basic_named_intrusive_node.hpp
Bugfixing and Refactoring
 * Changed hint for geting gtest/gmock
 * Work on docs
 * Made some methods private in ant_simulation
 * Add artificial_ant_plots example
Refactoring
 * the dot file is now written to a file

Merge branch 'master' of https://github.com/Ambrosys/gpcxx into gerard/example

Conflicts:
	examples/CMakeLists.txt
	include/gpcxx/config_version.hpp
Work on Tutorial, no proofreading
Documentation of main file, progress
Merge branch 'master' of https://github.com/Ambrosys/gpcxx into gerard/example

Conflicts:
	doc/gpcxx.qbk
	include/gpcxx/config_version.hpp
Documentation so far, without profreading,
Some profreading
Fix doc
Add ploting data generation for envolving arguments
Add variations of arguments, for ploting
changed variation to be changeable at runtime