Make the module list scrollable

On smaller screens, the module list y-overflow is hidden.
Merge pull request #120 from Morhaus/patch-1

Make the module list scrollable
Instructions using cask <3
lol
Update README.
lol
Clarifies documentation about hotkey strings; closes #123. (lol, 123)
Update docs JSON.
Update docs again.
put quotes around resourcesdir - because cask uses spaces in the path. Fixes #130