Update venues.json
Update venues.json

Closes #1179
Closes #1180 
Closes #1171 
Closes #1172 
Closes #1174 
Closes #1166 
Closes #1169 
Closes #1177 
Closes #1176 


Contributors: 
- loorongjie@gmail.com
- lzh@nus.edu
nusmodifications/nusmods,nusmodifications/nusmods,nusmodifications/nusmods,nusmodifications/nusmods