Slightly more sensible name
Added a base MDASummary model for all the summary models to inherit from

Added a missing model - MDACreatorSummary
MDACreatorSummary and MDAComicSummary now inherit from MDASummary
Moved NSURLSessionDataTask+MarvelDeveloperAPI.h into prefix as it'll be used in all controllers
Can now fetch creators

Fixed a typo
Cleaned up layout
MDASeriesSummary now inherits from MDASummary
Return right element of the URI
Can now init with just a comic summary

Added a Creator view controller (just shows up to their first 20 comics)
Added a series view controller (Does nothing yet)