fixed #10, if a user now clicks on a tilt-angle dir instead of an image, 2dx_image is not launched anymore, but instead an warning is shown
Changed MC-gui defaults value, fixed #57
Default values for MC_gui changed

Merge branch 'MC_GUI_default'
autosave for 2dx_merge done, including a switch to disable the function (requested by the boss)
autosave option fully integrated into 2dx (2dx_merge and 2dx_image), fixed #34
2dx_automator now shows the resolution bins, fixed #58
Periodic reintegration of master to prerelease branch

Merge branch 'master' into prepare_3.4.2