To fix build with some new versions of its dependencies

to fix build with -Werror=shadow

Changes in v2.3.2:
- Add missing license

to fix C++ standard & add C langage

Changes in v2.0.0:
- removed gazebo pluging, now available in https://github.com/Gepetto/gazebo-spring

Changes in v1.3.0:
- update for dynamic-graph-python v4

Changes in v1.3.1:
- fix release

Changes in v4.10.1:
- fix tests

Affected packages:
- wip/agimus
- wip/agimus-hpp
- wip/agimus-sot

ref https://github.com/stack-of-tasks/sot-core/pull/174

Changes in v1.2.4:
- fix for older CMake versions

As this package is not available in AUR

Changes in v4.2.6:
- fix CI

Changes in v2.0.1:
- fix robot-utils with property_tree
- fix tests
- workaround for dynamic-graph v4.3.1

Changes in v4.11.2:
- fix some python bindings
- fix for dynamic-graph v4.3.1

Changes in v4.0.1:
- Switch to C++14, to fix build on 16.04
- Drop Travis, to fix CI as the submodule was broken

Changes in v4.3.1:
- DYNAMIC_GRAPH_PLUGINDIR is now relative
- Tracer: Adding lock to make it threadsafe

Changes in v4.10.1:
- fix build with glpk

Changes in v3.6.1:
- fix package.xml

Changes in v2.3.1:
- fixed package.xml

error was:
The configure directory of libpointmatcher-1.3.1~debug could not be found:
	…/robotpkg/wip/libpointmatcher/work.senjosan/libpointmatcher-1.3.1~debug