Memory management improvements

[PaulFreund]

Join venture with @m-m-adams :D

• Reorganizes all GMA allocations or comments them if a possible change was not done
• Separates Stealable memory (56Mb) into it's own region
• Creates an 8Mb external region for all slower non stealable memory
• Moves FX, Delay and Grain FX buffer to extenral memory (only on Grain Fx this has a minor negative performance impact)
• Moves all parameters to external memory without negative impact massively increasing the amount of clips that can be created This seems to make the UI sluggish and leads to culling on copying kits
• Smarter padding and allocations to power of two
• More readable allocation function names

(hopefully) fixes: #462, #492

[stellar-aria]

Overall this looks good to me, @PaulFreund said this was tested pretty stringently so I'm going to go off that and merge it.

[Icoustic]

Join venture with @m-m-adams :D

* Reorganizes all GMA allocations or comments them if a possible change was not done

* Separates Stealable memory (56Mb) into it's own region

* Creates an 8Mb external region for all slower non stealable memory

* Moves FX, Delay and Grain FX buffer to extenral memory (only on Grain Fx this has a  minor negative performance impact)

* ~Moves all parameters to external memory without negative impact massively increasing the amount of clips that can be created~ This seems to make the UI sluggish and leads to culling on copying kits

* Smarter padding and allocations to power of two

* More readable allocation function names

(hopefully) fixes: #462, #492

Nice, I'm late to the party. Gonna test and see if #462 no longer is an issue