fix showForm for mobile IE11
Merge pull request #9 from timfel/mymaster

Fix showForm for mobile IE11
demo/etoys: cleanup html/css
No need to allocate ArrayBuffer explicitly
BitBlt: allow blitting of ByteArrays

Makes SmalltalkImage>>calcEndianness work
addToHomeScreen: detect fullscreen on Android
B2D: swap red and blue components

Squeak is ARGB but HTML is RGBA. Luckily Squeak is also big-endian and
the browser little-endian. That means it’s actually AGBR so by swapping
R and B we get ARGB.
Run image after dropping it into the world
Add integer array prims (165, 166)
release 0.2.1
Log missing files to console
Add primitiveCompareString (235)
Add primitiveFindSubstring (244)
Store time of last draw to display
B2D: add polygon drawing
B2D: implement drawing to 16 bit forms
B2D: minor cleanup
B2D: implement ellipse drawing
B2D: implement gradients
B2D: use offset