GitLab

[ADD #421] Buttons for nav slices now only toggle the slices in the main views instead of also those in nav views.

problems with the available random functions

[FIX] Use system include to suppress warnings (during compilation) caused by the faulty OpenIGTLink header file

which comes with cmake version 3.10

        compiler happy)

constructor

delete keyword to forbird assignment functions instead of an undefined function

[CHANGE] Use only OPENGL_LIBRARIES variable instead of OPENGL_gl_LIBRARY