Updated ProcInfoFetcher to match linux 2.6 interface

The code was using an old format of the proc info system. This caused a parsing problem which caused the program to write lots of warnings. This should bring our code up to the linux 2.6 standard.
Merge pull request #1852 from Dr15Jones/fixProcInfoParsingFor_5_3

Updated ProcInfoFetcher to match linux 2.6 interface