Added sound to serengeti, galaxy_zoo, bat, cyclone, milky_way, cancer, asteroid json files. uploaded new sounds, deleted old sounds.
Merge branch 'client-dev' of https://github.com/theodi/colleen into client-dev

# By gavin
# Via gavin
* 'client-dev' of https://github.com/theodi/colleen:
  Add loop_sound rule
  Set sound config to local folders

Conflicts:
	client/data/project_rules.json
	client/data/src/asteroid.json