Overarching ticket for Glass customization

Be able to configure:

• EditBox position (top/bottom)
• Message fade in duration
• Message fade out duration
• Message spacing (Space between messages)
• Line spacing (Space between lines in each message)
• Font outline options
• Frame positioning using sliders
• Width less than 300
• Customize slide in animation

Other:

• Better config grouping

Closed by #107.