Update README.markdown
properly handle multiple subexpressions in the same hash, fixes #748

push all hash params before popping any so as to avoid the last stackN var
stomping previous ones
fix bug in IE<=8 (no Array::map), closes #751

looks like this broke in 2812fe27

also s/this.i/var i/, since the functions that needed it were removed in
a1edab6ef
Merge pull request #756 from jenseng/mapfix

fix bug in IE<=8 (no Array::map), closes #751
Merge pull request #749 from jenseng/option_subexpressions_fix

properly handle multiple subexpressions in the same hash, fixes #748
Drop opera tests

The Sauce implementation doesn't seem to work properly.
Remove keyword that chokes up IE tests
Make JSON a requirement for the compiler.

Include the polyfill for testing under IE8 and below and document this.
Fix evaluation of paths and subexprs

Fixes #743
Temporarily kill the AWS publish CI step
Merge pull request #740 from SimonCropp/patch-1

Update README.markdown
Update escaping in link_to example
Add version option to compiler

Fixes #746
Remove log in test
Update release notes
v2.0.0-alpha.2
Update travis exec for S3 push
Refactor template init logic