Render motors nicely
Re-add the default appearance checkbox, without the save default button.
Initial tube & balsa default appearances
Simplify the default appearances. I am not ready to organize them into
classes or factories or what have you, yet.
Merge branch 'kruland-integration-motor' into
kruland-integration-defaults

Conflicts:
	core/src/net/sf/openrocket/appearance/defaults/ResourceDecalImage.java
	core/src/net/sf/openrocket/gui/figure3d/RealisticRenderer.java
More appearances
MAke mass objects look like wadding
A new render mode. Can't access it from the UI, that dropdown is getting
kind of ugly.
Trying out an "Unfinished" view... Jury is out
An ok reusable motor appearance
Merge remote-tracking branch 'plaa/kruland-integration' into kruland-integration-defaults
Add compareTo to ResourceDecalImage after merge with k-integration
Provide a toString for the resource decals.
Put Motor Appearances into the DefaultAppearance class.
DefaultAppearance is quite disorganized at the moment, but this at least
hides it all in one place
Add default appearance checkbox text the right way.
(So clicking the text toggles the checkbox)
Merge remote-tracking branch 'plaa/kruland-integration' into
kruland-integration-defaults

Conflicts:
	core/src/net/sf/openrocket/gui/scalefigure/RocketPanel.java
Minor cleanup
Merge pull request #39 from bkuker/kruland-integration-defaults

Add Default appearances
Make DecalImage no longer inherit from Attachment.  It seems less
confusing since a DecalImage cannot be used in place of Attachments in
general.  Made Attachment a concrete class.
Update ResourceDecalImage to match new DecalImage interface.