Fix the repl link in the README

Fixes issue #692

TBR=@arv

Review URL: https://github.com/google/traceur-compiler/pull/693

Closes #693.
Add module-local variable binding __moduleName = normalizedName

Remove .js from test input URLs.
Add test for __moduleName;
Adjust tests for AMD and commonjs, they now see __moduleName.

Fixes issue #694

Review URL: https://github.com/google/traceur-compiler/pull/695

Closes #695.
Fix infinite loop when regexp ends on line

Fixes issue #696

Review URL: https://github.com/google/traceur-compiler/pull/697

Closes #697.
Merge branch 'master' into generator-use-try-stack-runtime

Conflicts:
	bin/traceur.js