Fixing tab issue.
Adding new styled zoom buttons.
Fixing CSS for migration to Science.nasa
Added preliminary Play/Pause Buttons

Added working preliminary Play and Pause buttons for 508 compliance.
Match More On link text, fix SMD name typo

Fixes #121
Remove 3D BG side bars that interfer with Earth when Zoomed

Sorry, until we can push them to a lower Z-plane we have to remove as
the obscure the globe and orbits when you zoom, or when your browser
isn't very wide.

Fixes #122
forgot line separator on remote link labels

Fixes #121
Merge branch 'master' into cs/121_SMD_NSSDC_link_labels
Landsat 8 is known as "LDCM", don't know how to get into SMD.tx

I think I have to pull another dump of the Missions DB table
which should have LANDSAT 8 / LDCM in the table as an active (not
future) mission.  Then maybe I can determine that the corresponding
TLE entry should be put in SMD.txt.

See #123
Populate More links from satellite by index into satData struct.

This is evil cut-paste code and needs to be factored out.

Fixes #124
Globe = "Earth" (global = "everywhere")

Nit. A two char change.

Fixes #125
Removal of CSS for Side Panels

No longer using the side panels so don't need CSS for them.
Fixing Images for 508 compliance

Removing 'background-images' hackery... Putting images in HTML for alt-tags and screen readers.
Added NASA logo
Satellite Hover now Modal

Changed the Satellite Hover to be a modal to match rest of the theme.
Performance Enhancement

Added javascript Image Pre-loader for performance enhancement.
Changed Alt Tag for Close Buttons

Changed the alt tag for 508 compliance and better understanding.
Tweaks and Cleaning

Cleaned up some useless CSS and made some tweaks to modal positioning.
Remove Debugging

Had console log for debugging…
Changed Title to NASA's Interactive Sat Tracker