The minor detail in weblogo for the header of motif for P0 and PO is fixed
the weblogo part in MotifRefinment is changed to not have a PDF error
Merge remote-tracking branch 'upstream/master'

Conflicts:
	components/MotifRefinement/sequence_logo.py
	scripts/weblogo-3.4/corebio/matrix.pyc
Moidifications in sequence logo generation.

In matrix.py a function was added to handle swiss regulon WM format.
sequence_logo.py produced now .png initially and then converts it to pdf.