Revert "bower.json had version set to 0.0.0, bumped back to 1.2.4"

This reverts commit 6800ae24dc122cfc3ca779e291c83b411e6aa81c.
Revert "package.json had version set to 0.0.0, bumped to 1.2.4"

This reverts commit cc9146ae20a2029e2717f2fc6f2298a21f1abebd.
Revert "[firebase-release] Removed changelog and distribution files after releasing EmberFire 1.2.4"

This reverts commit f346f3276181c2f63f4bdc386428fe73227bac4d.