Ability to copy blocks by dragging with alt or cntrl key
- Still a bit buggy!
Fix up copy-dragging; it seems to work quite well now for blocks
Fix issue with copy-dragging expression blocks
Rebuild
Added the music block demo to the examples folder
Fix examples
remove cancel keypress events
Merge pull request #323 from CelticMinstrel/master

One of the examples was broken; this commit fixes it
Merge pull request #324 from pikalex88/318_music_blocks

Added the music block demo to the examples folder
Merge pull request #325 from klindenbach/master

Example pong added
Fixed the get frequency block having a duplicate uuid
Merge pull request #326 from pikalex88/318_music_blocks

Fixed the get frequency block having a duplicate uuid
Add support for polygon sprites

Rotation, collision, and bounding box are done. Scaling needs to be done
later.
Merge pull request #322 from CelticMinstrel/betterdrag

Copy blocks by holding alt or control key when you drop them
Testing an added set volume block
Add pong demo
Merge pull request #327 from pikalex88/318_music_blocks

Added a set volume block
issue #328, fixed save/load of local names
Merge pull request #329 from dannywils/master

Add support for polygon sprites
fix for missing sibling element