Merge pull request #2 from Morpog/master

Popper size/spacing, vacuum defs
Merge branch 'Morpog-master'
* changed Layer name in glacier controls switch.svg

e to explain why this merge is necessary,
Major reorganization of tree structure

* Every control has it's own directory, multiple pages in each control
  are layers in the svg
* Files used by multiple controls are in root directory