HHProf: Support showing all allocations

Add a mode for HHProf where all allocations are shown. This
isn't helpful for leak tracking or looking at what memory is still
alive, but this allows visibility into allocation patterns that would
otherwise be hidden because they are balanced.

Reviewed By: @mikemag

Differential Revision: D1042696
now isCallable won't die if there isn't a type_hint

Reviewed By: @dariorussi

Differential Revision: D1042437
expose dynamic properties in reflection

ReflectionClass supports taking an object and should use the dynamic props from it. @alexmalyshev is going to send a diff about default, so we'll have to co-ordinate whoever lands first.

Reviewed By: @elgenie

Differential Revision: D1043099
Move the rest of Type's methods into type.cpp

Reviewed By: @jdelong

Differential Revision: D1043399
use a different config for frameworks

@elgenie had a good point that we don't want to turn on hiphop syntax for the frameworks.

Reviewed By: @elgenie

Differential Revision: D1044204