Fix several minor issues

  - replace call to deprecated method,
  - include amsmath package to generate documentation,
  - fix unit test.

doc/Doxyfile.extra.in

@@ -8,3 +8,5 @@ ALIASES   += Link{1}="\ref \1"
 ALIASES   += Link{2}="\ref \1 \"\2\""
 ALIASES   += LHPP{2}="\Link{hpp::\1::\2,\2}"
 ALIASES   += LPinocchio{1}="\LHPP{pinocchio,\1}"
+
+EXTRA_PACKAGES = {amsmath}

src/problem.cc

@@ -101,7 +101,7 @@ namespace hpp {
     {
       pvFactory_ = factory;
       pvTol_ = tol;
-      if (graph_) graph_->setDirty();
+      if (graph_) graph_->invalidate();
     }
 
     void Problem::checkProblem () const

tests/test-constraintgraph.cc

@@ -148,7 +148,7 @@ BOOST_AUTO_TEST_CASE (Initialization)
   initialize(true);
   hpp::manipulation::DevicePtr_t robot(graph_->robot());
   graph_->addNumericalConstraint(LockedJoint::create
-    (robot->jointAt(1), LiegroupElement(LiegroupSpace::R1())));
+    (robot->jointAt(1), LiegroupElement(LiegroupSpace::R1(true))));
   for (std::size_t i=0; i < components.size(); ++i)
   {
     EdgePtr_t edge(HPP_DYNAMIC_PTR_CAST(Edge, components[i]));