Fix overlap with notifications and item meters.
Fix player status icons being invisible.
Fix overlap with loose cannon and shield meters.
Improve vaccinator elements; a few unfixable bugs remain.
Add optional target IDs with health cross.
Remove old, extraneous spectator panel.
Modify arena player count to label players left.
Additional improvements to arena player count.
Some changes to make target IDs with cross more readable.
Add alternate Target ID with only a health cross.
Less intrusive spectator item panels.
Display carried flag more clearly.
Some more CTF fixes/changes.
Fix positioning bug.
Some MvM spectator panel fixes.
Merge branch 'master' into casting