Allow var declarations without init on one line. Fixes #63

This adds lineBreak.before.VariableDeclarationWithoutInit, on by default.
When turned off, multi var declarations without init can go on one line,
like `var x, y, z;`.
Merge remote branch 'jzaefferer/one-line-var-declaration'

* jzaefferer/one-line-var-declaration:
  Allow var declarations without init on one line. Fixes #63
fix EOF on one-line-var-declaration-config.json