テストコードの更新途中
update angularfire.d.ts from 0.6.0 to 0.8.2
作業途中
Revert "作業途中"

This reverts commit 24bf981aba084453a946f3a4f588cd2c90a0d4c9.
Fix along the guidelines.
Merge pull request #3101 from in-async/angularfire.d.ts

update angular/angularfire.d.ts and angularfire-tests.ts