Merge pull request #3 from josephlord/actualStructs

Changes GrayScottStruct to be a struct
Merge pull request #7 from josephlord/basicOptimisations

Eliminates wrap calls from inner loop for major speedup
Merge pull request #8 from josephlord/inlinedClipProcess

Restore live parameter updates
Minor fix for Xcode 6 Beta 7.
Added a reset button.
Reduced slider maximim to 0.2
Merge pull request #4 from FlexMonkey/master

Pulling Upstream changes in as a branch