Added core functionality for MBTA plugin. Completely untested.
Fixed incorrect php constant.
Added array key/value initialization for naive foreach loop assuming each key existed.
Assumed value was integer when apparently not.
Moved div tag out of loop.
Updated css class names and moved around word formatting.
Added Nunito from google fonts. Chose some weights for different sections.
Disabled twentyfourteen styles. Always load MBTA style, as shortcodes cannot load styles while running.
Added css colors for different lines. More styling.
Updated style. Positioning and colors.
Forgot two classes on headings
Merge remote-tracking branch 'origin/mbta-plugin' into mbta-plugin

Conflicts:
	wp-content/plugins/dds-mbta-status/MBTAShortcoder.php
Changed widths.
Generalized plugin to work for all MBTA Realtime connected lines. (red, orange, blue)
Added "No Trains Running" message
Documented code.
Missed instance of get_short_name that was leftover from when plugin wanted a full name for the line.
Fixed stupid mistake. (Wrong scope of if statement.)
Changed !isset to empty
Changed style for space between lines.
Changed style for space between lines. Changed text.