begin async api. render, getTemplate, and node-loaders refactored
update express render method to match async API
update web-loaders to match the new async API
hook up basic compiled async, start converting tests
update some tests for async api
more test progress; clean up a bit
update browserfiles
Marking `super()` calls `safe` by default
Adding test for `super()` auto-escaping
Expanding and exposing `proxyStr` as `markAsSafe`
Using `markAsSafe` to preserve `super()` calls
Converting `safe` filter to use `markAsSafe`
Reverting `getSuper`
Merge pull request #97 from andrewhayward/safe-super

Marking `super()` calls `safe` by default
Merge remote-tracking branch 'origin/master'
rename markAsSafe to markSafe
Prevent addition of an unnecessary end comma when generating code for CallExtension where there are no content args
Add test for custom tag compilation without content
Merge pull request #102 from davidvetrano/master

CallExtension emits an unnecessary comma when there is no content
Add simple travis config to get tests running