Refactored code to use "sub" syntax, which is cleaner.
replaced new statement button block with protocol which greatly simplifies code
Modified button size and made  few other adjustments.
Merge remote-tracking branch 'origin/master'
minor bug fixed
Merge branch 'master' of github.com:ZuseApp/zuse-ios
context menu added to new statement button
Added new menu flow to the canvas.
Merge remote-tracking branch 'origin/master'
Removed joints from the renderer.
Change collision and bouncing semantics.

Collision events are now called any time two nodes with
a group make contact. Added bounce method to allow
things to bounce without requiring it to bounce.
Remove references to dynamic

No longer necessary with joint stuff removed.
Merge pull request #77 from ZuseApp/project-refactor

Refactored code to use "sub" syntax, which is cleaner.
working on creating share interface for social share from canvas
Merge branch 'master' into zusehub-ios