optionally preload non-background audio assets
Merge branch 'develop' into fix-audio-preload
don't auto-preload. addresses: https://github.com/gameclosure/timestep-priv/issues/44; https://github.com/gameclosure/devkit-priv/issues/53.
Fix messageFont error
Changed android splash sizes

Now android splash sizes only specify the largest dimension. This
allows users to use the aspect ratio of their choice for their
universal splash.
implemented basic ctx.createPattern
repeat modes: repeat; repeat-x; repeat-y; no-repeat
fix for chris-spotted bug
no-repeat clips instead of stretching
fixed potential stretching
Merge pull request #51 from gameclosure/feature-create-pattern

Feature create pattern.  LGTM @chris-gc
only trigger 'on' callback on input select (not out). don't check state on select (out runs first). do nothing on over.
depress button on over IFF started on button. button subviews can't handle events.
removed redundant check
disabled button remains disabled on click
Merge pull request #54 from gameclosure/fix-ButtonView

fixed state and event triggering
fixed toggleSelected mode
Merge pull request #55 from gameclosure/fix-ButtonView

fixed toggleSelected mode.  LGTM @chris-gc
Cleanup how we invoke the make clean command
Merge pull request #56 from gameclosure/cleanup-make-spawn

Cleanup how we invoke the make clean command