Speed up constructor spreads.

Replace slow .bind with manual .create+.apply.
Gives up to 19x speed up depending on browser.

http://jsperf.com/apply-constructor
remove hound.yml
bump next release version
Revert "Merge pull request #203 from RReverser/ctor-spread-speedup"

This reverts commit 714ca9fbc8f79892c43859af09277ab8413f710c, reversing
changes made to d50d4972a7742bff165c6841be0ca4e4f75b5ff4.
Merge branch 'ctor-spread-speedup' of https://github.com/RReverser/6to5