Merge branch 'issue10' into 'master'

.../java/cz/fidentis/analyst/symmetry/SymmetryEstimator.java

.../java/cz/fidentis/analyst/visitors/mesh/CrossSection.java

...in/java/cz/fidentis/analyst/core/ControlPanelBuilder.java

...rc/main/java/cz/fidentis/analyst/core/ProjectTopComp.java

...n/java/cz/fidentis/analyst/curvature/CurvatureAction.java

...ain/java/cz/fidentis/analyst/distance/DistanceAction.java

GUI/src/main/java/cz/fidentis/analyst/scene/Scene.java

...main/java/cz/fidentis/analyst/symmetry/PolylinePanel.java

...ain/java/cz/fidentis/analyst/symmetry/ProfilesAction.java

...main/java/cz/fidentis/analyst/symmetry/ProfilesPanel.java

...ain/java/cz/fidentis/analyst/symmetry/SymmetryAction.java

...main/java/cz/fidentis/analyst/symmetry/SymmetryPanel.java

...n/java/cz/fidentis/analyst/toolbar/FaceToFaceToolBar.java

...java/cz/fidentis/analyst/toolbar/RenderingModeAction.java

...n/java/cz/fidentis/analyst/toolbar/SingleFaceToolBar.java

GUI/src/main/resources/profiles28x28.png

...ain/java/cz/fidentis/analyst/mesh/core/MeshFacetImpl.java

...main/java/cz/fidentis/analyst/mesh/core/MeshTriangle.java