Added batch SNP converter.

src/wsgi.py:
- Updated batch routing to include SNP converter.

mutalyzer.conf:
src/Modules/Config.py:
- Added result file header line for batch SNP converter.

src/Modules/Scheduler.py:
- Added batch SNP converter.

src/Modules/File.py:
- Updated batch CSV input file parsing. Default is now standard Excel format
  and only if the CSV sniffer can find another dialect using a predefined set
  of delimiter characters without error we use that one.

templates/menu.html:
- Added link for batch SNP converter.


git-svn-id: https://humgenprojects.lumc.nl/svn/mutalyzer/trunk@163 eb6bd6ab-9ccd-42b9-aceb-e2899b4a52f1