XCache emulation with APC
AnnotationsAdaptersTest: APC and XCache adapters
ModelsMetadataAdaptersTest: XCache adapter
Update ext/config/adapter/ini.c

Dot(.) directive parse
Fixed dot directive parse in Config/Adapter/Ini
Fix #866
Updated unit test
Merge pull request #865 from sjinks/tests

Add several missing APC and XCache tests
Merge pull request #872 from kjdev/1.2.1

dot directive parsing of ini files.
Merge pull request #873 from sjinks/issue-866

Phalcon\Mvc\Model\Criteria::fromInput() does not set _modelName