Commit Remco

Add screens, created mockup data, create to parse the data through
screens, to do: add review, load reviews in screen and make different
between user and reviewer.
Buttons and imageviews id changed

Changed texts of button and imageviews
Changed Comments Github

Changed names of activity and xml
Made UserType, ReviewState, AnswerState, QuestionState

Made enums and changed the code so they are also parcelable.