Fixed maximum size for uploaded genbank files. Added maximum size for batch

checker input files (5MB).

mutalyzer.conf:
src/Modules/Config.py:
- Add maximum size for batch checker input files.

src/wsgi.py:
templates/batch.html:
- Fixed maximum size for uploaded genbank files. Added maximum size for
  batch checker input files (5MB).

tests/test_wsgi.py:
- Added test for a too big batch input file.



git-svn-id: https://humgenprojects.lumc.nl/svn/mutalyzer/trunk@167 eb6bd6ab-9ccd-42b9-aceb-e2899b4a52f1