Add toolbar button of each type of explode.
Add toolbar button "sew".
Significant changes for View and User interface.
Fix the broken variable of ruby when cast array to point3d.
Change code of command "sew" for getting faces from specified object.
The small fixes.
Add command "stlload".
Add command "intfe".
fix for grayout
Merge branch 'develop' of github.com:dyama/siren