Optionally restrict SOAP getTranscriptsAndInfo transcripts to a gene.

src/webservice.py:
src/test_webservice.py:
- Added optional geneName argument to getTranscriptsAndInfo SOAP method to
  restrict returned transcripts to some gene.



git-svn-id: https://humgenprojects.lumc.nl/svn/mutalyzer/trunk@183 eb6bd6ab-9ccd-42b9-aceb-e2899b4a52f1