Some new math blocks
Name/description tweaks
Add gcd and lcm blocks
Merge branch 'master' into math
Merge branch 'master' into math
Add factorial/gamma
Merge branch 'master' into math
Add min and max
Rebuild
Merge pull request #505 from CelticMinstrel/math

Additional math blocks
Added Sandbox Game to examples

Added BombasticSlacks Sandbox game to the examples list.

To play simply guide Tony the White Block with your mouse! Fight off the
evil red blocks by clicking and dragging to send Tony off in an arc! See
how many red blocks you can bring to justice!
Merge pull request #506 from waterbearlang/504-Sandbox-Game

Added Sandbox Game to examples