Replace team picture with new one for 2016-2017

This picture is used in roster.md.
Link to new picture:
https://lh3.googleusercontent.com/H6S8iVwhKgdocpwEk-YPrcx4yd9oLMQwmwdTYT_CoXRZeX2L3vVlHRWaphgY3eKsxSRQhcuFGxqwADnwNWtLV7beerHxOopH8LSkUMp7o1zSNAfJMv89a28fUwWZv88ZnPzsiw=w2561-h1026-no

Signed-off-by: Ethan Madison <ethan@ethanmad.com>

content/roster.md

@@ -4,7 +4,7 @@ tags = ["document"]
 title = "Roster"
 description = "The 2016-2017 team"
 noshowdate = true
-image = "../img/team2015-2016.jpg"
+image = "../img/Fencing Team 2016.jpg"
 +++
 
 # Men's Team