Correct the path to the plugin directory of dynamic-graph.

The dependency in dynamic-graph is required to obtain the
plugin directory
Simplify walkromeo by using the routines in walking.py
Synchronize.
Merge branch 'topic/python'

Conflicts:
	CMakeLists.txt
	include/sot-pattern-generator/selector.h
	python/walk_romeo.py
	src/CMakeLists.txt
	src/dynamic_graph/sot/pattern_generator/walking.py
	src/next-step-pg-sot.cpp
	src/pg-manager.cpp
	src/step-computer-force.cpp
	src/step-computer-pos.cpp
	src/step-time-line.cpp
Remove merge traces in the walk_romeo python script.
[travis] Add dependency in jrl-walkgen.
Fix some parameters in walking.py for real walking
Merge pull request #5 from gergondet/topic/fixWalkingPy

Fix some parameters in walking.py for real walking
Fix Selector(name) constructor

metaSelector overrides Selector constructor but breaks the default constructor,
this commit fixes that
Merge pull request #6 from gergondet/fixDefaultSelectorConstructor

Fix Selector(name) constructor
Fix waist initialization in pg entity

Initialize waist position from real robot state when InitState is called.
Reduce the FeetConstraintXY for HRP4 and Romeo.
Update ChangeLog

A jump has been done in version number to synchronize with robotpkg version
Merge pull request #8 from aclodic/master

Update ChangeLog
Merge pull request #7 from gergondet/topic/fixWaistInitialization

Fix waist initialization in pg entity
[cmake] Synchronize
Change data for hrp4