This reverts commit 717a2941. Bunch of failures when running postgresql tests.

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

* Use direct integer parsing in #fast_string_to_time to avoid convoluted
   conversions and errors due to truncation.
 * Use Float#round in #microseconds to avoid truncation errors.
Signed-off-by: NMichael Koziarski <michael@koziarski.com>

In heterogeneous collections, neither the @path nor the @template are available, so we need to tell that we are simply rendering a collection.

Remove URI object from ActiveResource notification, send the :mailer class in AM (like in AP#process_action) and remove locale instrumentation.