Thickened the curve lines and made them easier to select (even when totally behind another object).
Removed the top-level "Houdini Engine" menu from the menu bar and moved all entries to their appropriate locations in the standard Unity menus.
   - Moved "Load Houdini Asset..." to a section within the GameObject > Create Other menu and rename it to "Houdini Asset...".
   - Moved "Get Assets" (link to Orbolt) to the Window menu and renamed it to "Houdini Asset Store (Orbolt)".
   - Moved "Debug Window" to the Window menu and renamed it to "Houdini Debug".
   - Moved "Settings Window" to the Window menu and renamed it to "Houdini Settings".
   - Moved "Create Curve" to a section within the GameObject > Create Other menu and renamed it to "Houdini Curve Asset".