RFObjectPool refactoring as mentioned in #43.

NSDateFormatter local pool realizations are removed from coders/decoders in ROADSerialization and replaced with RFObjectPool.
RFObjectPool refactoring as mentioned in #43.

Small naming changes. Build fix.
RFObjectPool refactoring as mentioned in #43.

Build fix.
Merge pull request #343 from ptiz/master

RFObjectPool refactoring as mentioned in #43.