v1.1

Added [activity] shortcode to deprecate [ride] in the future
Fixed static method call error in shortcode
Added title to Strava Latest Map Widget
Added Lance Willett to contributors
Added target="_blank" to widget hrefs
Added Google Maps Key to settings (required for map images)
Added cache clear option to remove transient & image data
Cleaned up formatting

v0.62: Version 0.62:

 - Refactor some code.
 - Add feature request from Tom Bammann.
 - Fixed a bug also reported by Tom.