refact(base/computePathsProcessor): always regenerate the maps on $process
refact(base/computePathsProcessor): always regenerate the maps on $process

Processors tend to only be called once any way so there is no performance benefit,
just more complication, in lazy instantiating the maps.  We should just instantiate
when needed, which allows time for the templates to be configured.

petebacondarwin/dgeni-packages,petebacondarwin/dgeni-packages,petebacondarwin/dgeni-packages,angular/dgeni-packages,angular/dgeni-packages,angular/dgeni-packages