Branched to dev noise control.  split into more granular functions:
pixel colour calculator (radial fade and perlin noise)
texture population
target threshold setter
noise graduation coroutine

Also split out the demo as a coroutine
shifted the perlin noise to give it a 0.5/-0.5 impact on an evenly balanced radial fade, plus a means to extend the influence of perlin noise (the perlinExtent script variable)
Some other changes - but unity has so many files that I don't really know what'sgoing on!  It looks nice though!!!!!
moved Perlin Noise to a plugins folder, and added demo flags and a method to set the percentage of the effect desired
removed unity autogen files
Merge branch 'noiseDev' of github.com:mattrosstaylor/channel_surfer

Conflicts:
	Assets/normal.unity