Minor update version

Changes

• Improved performance of battle screen.
• Added function to be enabled scrolling with the Page Up/Down key.
• Added function to use Orbital Friendship Cannon with the hotkey '-'.
• Added options below to Settings pane.
  • Enable Orbital Friendship Cannon hotkeys
  • Enable Page Up/Down key on scrollable panes
  • Patch to enable Space key in the Shrine (Chrome only)
• Grouped the options associated with the keyboard into Keyboard Options.

Fixed issues for Firefox

• Scan/Skill hotkey will now work.
• Monster information will be shown when holding down the hotkey '1' - '0'.