Added Version Index "version" method.
Implemented automatic selection of default_print_profile and
default_filament_profile, when the print / filament profiles are
not compatible with the selected printer profile.
Fixed selection of a printer profile, if the currently selected
printer profile becomes invisible.
The Config Wizard now just copies the Vendor's Config Bundle
into user_dir/vendor/ directory and Slic3r uses the configs
from the bundles found in user_dir/vendor directly.
wizard if the wizard is opened from the menu. This allows one
to reinstall the bundled printer profile cleanly.
Fixed a bug when loading a config bundle as a config: The config bundle
should not be unpacked into the user profile directory.
for in the PresetCollection: The 1st preset is always the "-- default --"
even if there are some presets starting with an ASCII character lower than '-'.
https://github.com/prusa3d/Slic3r/issues/603
The incompatible presets are hidden in the tabs if show_incompatible_presets
is false. If show_incompatible_presets is true, there is a button to
show / hide the incompatible presets from the tab selector.
