BS bug fixed
Merge branch 'master-extbs' of https://github.com/kjopek/ggsolver.git
into master-extbs

Conflicts:
	src/main/java/matrixgeneration/Element.java
	src/test/java/pl/edu/agh/mes/gg/SpaceShapeFunctionSolverTest2D.java
Numeration for vertex + edge + interior shape functions
edge + interior functions ready
Comments removed
Merge remote-tracking branch 'origin/master-extbs' into interior

Conflicts:
	src/test/java/pl/edu/agh/mes/gg/SpaceShapeFunctionSolverTest2D.java