Remove unnecessary "return this" from constructors

Constructor functions implicitly return "this" when called with "new", so there is no need to explicitly return "this" from a constructor.

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Fixes broken indentation introduced in d53e877e3803618c2b689d8ad1134b15a6521259

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Merge pull request #12 from rwaldron/fix-implicit-returns

Remove unnecessary "return this" from constructors
Merge pull request #13 from rwaldron/fix-wrong-indentation

Fixes broken indentation introduced in d53e877
Merge branch 'master' of https://github.com/rdepena/node-dualshock-controller into develop