Add backwards compatibility page#42

Merged

wanderer merged 4 commits intomasterfrom

backwardsCompatibility

Aug 15, 2016

Commits on Aug 14, 2016

added backwards compatibility section

wanderer
authored and
axic
committed
uniform ewasm capitilization

wanderer
authored and
axic
committed
Compat: use the on-wire ASM magic number layout
axic
committed
Include backwards compatibility link in README
axic
committed