Fix season jumping dropdown menu for shows with over 15 seasons on Display Show.
Merge pull request #60 from JackDandy/feature/FixDisplayShowSeasonJump

Fix season jumping dropdown menu for shows with over 15 seasons on Display Show.
Merge branch 'release/0.4.0' of github.com:SickGear/SickGear into release/0.4.0
Merge branch 'release/0.4.0' into develop