forced row gaps in excel output
fixed error caused by interger division not creating enough pages for paginator  on homepage
Added graphs

- vote tally graph on homepage
- when hovered over a poll name graph for that poll
- results page poll added
removed some unused from urls
moved scripts to the top page in inheritence (standard_page.html) and started work on pdf generation
set out a basic pdf template which successfully generates
more complete pdf features
setup basic celery
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work?
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Merge branch 'dev' of https://github.com/thorlock12/pollsapp into new_branch
Added a docstring to explain already voted