Add jump and draw blocks to artist level editor toolbox
add bundle_cache to travis config (speedup gem bundle install process)
Merge pull request #931 from code-dot-org/travis_script

add bundle_cache to travis config (speedup gem bundle install process)
Automatically built
Merge pull request #929 from code-dot-org/add_jump_draw_blocks

Add jump and pencil up/down blocks to artist level editor toolbox
Merge pull request #924 from code-dot-org/finished

merge finished into level-builder