System note icons related to epics

System note icons for the various scenarios:

Inside an epic

Use the existing issues icon to indicate an event happened with regard to an issue and the epic at hand.

For all the cases below, use the same icon shown above.

• Issue added to this epic: Victor Wu @victorwu added issue <full-path>/#3853 6 days ago
• Issue removed from this epic: Victor Wu @victorwu removed issue <full-path>/#3853 6 days ago
• Issue moved from this epic to another epic: Victor Wu @victorwu moved issue #1234 to epic <full-path>/&1234 6 days ago
• Issue moved from another epic to this epic: Victor Wu @victorwu added issue #1234 from epic <full-path>/&1234 6 days ago

Inside an issue

Use the existing epics icon to indicate an event happened with regard to an epic and the issue at hand.

For all the cases below, use the same icon shown above.

• This issue was added to an epic: @victorwu added to epic <full-path>/&123 6 days ago
• This issue was removed from an epic: @victorwu removed from epic <full-path>/&123 6 days ago
• This issue was moved from one epic to another epic: Victor Wu @victorwu changed epic to <full-path>&1234 6 days ago