Created definitions for highland.js

"The high-level streams library" http://highlandjs.org/

Known limitations: stream-methods not exported on module
Fixed lazy.js tests
Restructured highland definitions

Changed pattern to underscore's, added module call tests
add module declaration to bigscreen.d.ts
Merge pull request #1749 from Bartvds/def/lazyjs

Fixed lazy.js tests
Merge pull request #1748 from dduugg/master

add module declaration to bigscreen.d.ts
Merge pull request #1734 from Bartvds/def/highland

Created definitions for highland.js