Merge pull request #84 from ChildrenOfUr/dev

Dev
Redid mood meters in css and added rain effect

The default sunburst effect still needs to be redone in css, but the
rest are now done with background gradients.
Also, the rain effect now replaces the empty energy meter. You can try
it out by typing “setmood 0” into the console
moved all querySelector definitions to a separate file, this will make redesigning a ui easier.
Merge pull request #87 from ChildrenOfUr/queryselector

moved all querySelector definitions to a separate file, this will make r...
layer names can sometimes have spaces in them which causes problems when setting it as an element's id - replacing with an underscore should fix the problem
merge changes from master