object should have virtual distractor to support subclassing
clarify that values are meant as float literals
clarify potentially dangerous implicit casts
change param names to avoid shadowing local variables
ofToString's precision value is of type int
subclassable objects need virtual destructors
Merge branch 'refs/heads/contribution/ChangeParamNamesToAvoidShadowing'
Merge branch 'refs/heads/contribution/DocumentsPathSupport'
Merge branch 'refs/heads/contribution/ExplicitlyCast'
Merge branch 'refs/heads/contribution/FloatLiterals'
Merge branch 'refs/heads/contribution/NSStringToStringFix'
Merge branch 'refs/heads/contribution/ofColorUIColor'
Merge branch 'refs/heads/contribution/ofPtrWeak'
Merge branch 'refs/heads/contribution/ofRectangleCGRect'
Merge branch 'refs/heads/contribution/ofToStringPrecisionIsIntValue'
Merge branch 'refs/heads/contribution/RootFolderIcon'
Merge branch 'refs/heads/contribution/SubclassofxiPhoneImagePicker'
ofRectangle stream operators
Merge branch 'refs/heads/contribution/ofRectangleStream'
Merge branch 'refs/heads/contribution/PotentiallySubclassableObjectsNeedVirtualDestructors'