added command+up/down to season switching
Revert "added command+up/down to season switching"

This reverts commit b0994dd8cbc1a135f9a720542f262324318e75c9.
added command+up/down to season switching #850
Merge pull request #864 from RobBrazier/dev-0.3

Added cmd+up, cmd+down to switch seasons in Show Detail view

Fixes #850