Remove phpspec.yml from project root
Replace VarienObjectSubject with custom Caller object
Fix broken VarienSubjectMaintainer spec
Minor change to trigger Travis build
Update composer to phpspec RC4
Add 5.5 to travis versions
Remove empty spec object
Private method signatures must match in PHP5.3
Merge pull request #51 from shanethehat/feature/RC4-compatibility

Fix RC4 compatibility issues with Subject