Fix #1238 implement: Phalcon\Logger\Adapter::isTransaction()
Merge remote-tracking branch 'phalcon/1.3.0' into 1238
Unit test
Fix #1314
Merge pull request #1317 from sjinks/issue-1314

[1.3.0] Fix #1314
Merge pull request #1295 from dreamsxin/1238

Fix nfr #1238
Implement #1242
Unit test
Merge pull request #1319 from sjinks/issue-1242

Phalcon\DI: Info on whether DI service has been resolved
Merge remote-tracking branch 'upstream/1.3.0' into valgrind