Merge pull request #7 from krono/master

Basic Balloon support.
use localStorage if indexedDB is not supported
Use LZString for localStorage
Make VM freezing work in demo
BitBlt: minor fixes
BitBlt: rule 33 tallyPixels
Always use named primitives for BitBlt

… so BitBltPlugin's initializeModule is called. Also, in preparation of
making it external.
Breakpoint: be less inefficient looking up methods
Balloon2D: accept nil edge transform
Fix Float decoding for little-endian images
This max/min is superfluous.