ipv6 endpoints now shown correctly

Changed delimiter to pipe for activity Label and it’s size
List view now available for Flows tab

Added list view to flows tab
Refactored HTML markup, to be more foundation-like
Fixed details panel layout + scroll issues
tooltip not covers squares

Added tooltip adjustment to position it better
External endpoints now purple

changed the colour of external endpoints to purple,
also fixed issue with legend colors
Boldface active tab

added css rule
change colour on activity click

Added darker blue colour for expanded activity
correct text for flow now in place