Changed SaveAscii2Test Filenames

The test was conflicting with the original version due to filenames, changed the filename V2 uses.

Refs #7732
Refs #7732 Readded processheader with a few modifications

Readded processheader with additions to make it accept the spectra IDs in the new format
refs #7732 tided up some comments

Removed some comments form when i was making the edit
Refs #7732 disabled save/LoadAscii2 again

Disabled save/LoadAscii2 again due to a systemtest i failed to fix: LoadLotsOfFiles