Merge pull request #101 from code-dot-org/test

Deploy to production
Add initial implementation of draw lines with pattern block. Still need to add code to pre-load images so lines will always be displayed on first RUN
Added image preloading
Created property to allow easy reference of line style blocks from turtle.js
Removed unneeded path references for pattern images.
Add "set line style" block to turtle/artist app
Merge branch 'staging' of https://github.com/beezwaxz/code-dot-org into staging
Merge branch 'staging' of https://github.com/code-dot-org/code-dot-org into staging
Merge remote-tracking branch 'origin/master' into staging
Merge branch 'staging' of https://github.com/code-dot-org/code-dot-org into staging
whitespace and other minor cleanup for patter_line_style block implementation
merge code-dot-org staging

Merge branch 'staging' of https://github.com/code-dot-org/code-dot-org into staging
Merge remote-tracking branch 'refs/remotes/origin/staging' into staging
whitespace fix and minor cleanup for line style block
One last whitespace fix
Merge pull request #192 from beezwaxz/staging

Add block for setting line style/pattern