Changed layout of Variables window to support editable value
Public variables in other FungusScripts appear in the variable picker
popup menu.
Variables now have a public value property and remember their starting
value for when they are reset.
Disabled LoadGlobals / SaveGlobals commands.
Changed all variable classes to use simple public value variable.
Added FungusScript.GetPublicVariables()
Deleted GlobalVariables class.
Added Variables test scene
Icon displayed beside any currently executing sequences.
Icon displayed beside any currently executing command in selected
sequence.
Can now select & edit commands while game is running.
Sequences now resize correctly when name changes.
Added texture resources for sequence node types.
Sequences now have multiple shapes (Event, Process, Choice types)
Sequences can now have a description displayed underneath the node.