Add support for sdrf input

[jonasscheid]

Description of feature

The Sample-Data relationship file format (sdrf) has been introduced at HUPO-PSI. With this addition we could reprocess PRIDE projects that have been annotated with this novel file format. The very need feature of this format is, that it contains precursor and fragment tolerances in a machine readable way, which is crucial for obtaining a good peptide yield.

A detailed description of the format one can get here

There is already sdrf parsing functionality in quantms, so we don't need to reinvent the wheel