Summary: Using specified FOV's for each planet so the user can zoom. Adding a button to select FOV from the KStars FOV list. Adding another decimal to FOV for small moons.

Reviewers: mutlaqja

Reviewed By: mutlaqja

Subscribers: kde-edu, mutlaqja

Tags: KDE Edu

Differential Revision: https://phabricator.kde.org/D15050