This was a workaround to be able to build on case-insensitive file
systems where it might get confused about <string.h> vs <String.h>.
Let's just not support building that way, so String.h can have an
objectively nicer name. :^)
* Added CProcessStatisticsReader to avoid having to parse /proc/all
* Took @awesomekling's feedbacks into account
* Fixed indentation and replaced tabs by spaces
