Pdf versions of contour plots for output intensity for all form factors in User Manual Appendix.
Addition of a description of Core Shell particle in User Manual Appendix.

Form factors: addition of appendix to User Manual, schematic views and missing information to Doxygen

New doxygen docs switched on, Doxyfile.in is introduced for automatic propagation of version number in the project.

- no latex output
- html output goes to BornAgain/html

New form factors for Spheroid, FullSpheroid, EllipsoidalCylinder, HemiEllipsoid (with Bessel functions of real variables)

MesoCrystal test is off, new fitting examples for spheres in a lattice and corresponding changes in visitors

Modifications of example 1 in section “Simulation” of BornAgain manual in order to match the script given in the Appendix

revised version of BornAgain manual and corrected version of FormFactorBox.cpp (implementation of radius and length)

User manual now can be compiled with cmake in standalone mode (without whole BornAgain), UserManual.tex.in is replaced with shorter version located in cmake/scripts