cleanup of avatar collisions, prep for more ragdoll collisions

removal of paddle hands
particles use general sphere collision path against avatars
temp removal of skeleton self collision
cleaup: remove some unused collision code

remove CollisionInfo::_type
remove unused Avatar collision response stuff
comment out some code that works but will probably be replaced
move RagDoll to libraries/shared
fix some comments
Add initial mybalance script
Merge branch 'master' of https://github.com/worklist/hifi into 19755
Extend TextOverlay to accept font size
Fix TextRenderer color rendering
myBalance new layout changes
Merge branch 'master' of https://github.com/worklist/hifi into 19755
expose account details via AccountScriptingInterface
references fix
return balance in satoshis
myBalance
	- balance formatting
	- symbol layout changes
use worklist for assets
Use NULL Shape* for non-colliding joints in Models
clearShapes(), rebuildShapes() need not be virtual
RagDoll keeps a pointer to list of shapes
switch to amazon image resources
Merge branch 'master' of https://github.com/worklist/hifi into 19755
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels