Added options.doProfiling to world.

Defaults to false.
Document Body.js
World doc
NaiveBroadphase doc
Broadphase doc
GridBroadphase doc
ContactEquation doc
Equation doc
GSSolver doc
Solver doc
Body doc
indent fix
Broadphase.getCollisionPairs doc
Spring members doc
update builds
added jshint config files
Shapes doc
more shape docs
world doc
merge options