Merge pull request #16 from kuyon/develop

add command "wire2plane"
Add sample ruby module.
Imprement command "iload". Move command "selected" to command.cpp that access to static variable AISContext.
Change shape management structure. (Manage shapes in map to AIS_InteractiveContext.) And accessesor of AISContext, View and Viewer changed.
Remove regular expression header "<regex>", and change source code in "help" command.
Small bugfix
Move main menu item to tool bar.
Modified toolbar commands to work properly.
small fix
Merge branch 'develop' of github.com:dyama/siren into develop
Fix change state of toolbar buttons.
Add command "location".
Change to setting shape location of "location" command.
Add Direct translation mode for shape, and add funny move shape.
Add toolbar button "Group" and "Ungroup" based compound. and tiny fixes.
small fix.
Add toolbar button "fuse", "cut" and "common" for boolean operations.
Add toolbar button "intersection" and "information".
Change toolbar button's image.
Add toolbar button "plane" for make plane.