Improved interfaces and naming

[sandrokeil]

Added

• #9: Introducing ProvidesDefaultOptions interface
• #13: Support for recursive mandatory options check
• canRetrieveOptions() to ConfigurationTrait to perform the options check without throwing an exception
• optionsWithFallback() to ConfigurationTrait which uses default options if config can not be retrieved
• OptionNotFoundException and MandatoryOptionNotFoundException extends OutOfBoundsException instead of RuntimeException
• Check if retrieved options are an array or an instance of ArrayAccess
• Benchmark suite
• Updated documentation

Deprecated

• Nothing

Removed

• HasConfig interface, was renamed to RequiresConfig
• HasContainer interface, was renamed to RequiresContainerId
• HasMandatoryOptions interface, was renamed to RequiresMandatoryOptions
• HasDefaultOptions interface, was renamed to ProvidesDefaultOptions
• ObtainsOptions interface, was merged in RequiresConfig
• OptionalOptions interface, can be achieved via ProvidesDefaultOptions

Fixed

• fixed wrong function name in documentation