Default Expand Media Categories 1.2.0

Added:

• Admin CP option to enable Expand by default for All devices or Desktop only.
• Per-category setting to enable Expand by default.

Hashes fixed. No other changes.

Code updated to utilise and require Browser Detection v2.0.2+ by Xon
Removed unused phrase
Icon and Developer link updated

Released as a template modification instead of manual instructions.

Now expands media categories on desktops only.