d/control: strip trailing slash from Homepage
d/pycorrfit.install: copy sample_session to examples
d/rules: add one more pass of pdflatex for the tex source
d/control: Recommneds: add texlive-latex-base,
 remove ghostscript - dep of dvipng, remove texlive-science
d/changelog: push to unstable
Merge branch 'debian-master'