Initial commit of Post Statistics plugin
Minor tidy. simplified read_minutes calculation
Made read_minutes 1 minute min
Tidies up, removed commented out nltk & lxml alternative versions.
Added Flesch-Kincaid readability scores; added readme; final tidy
Tidy up readme
Merge pull request #38 from dflock/post_stats

Post stats
Merge branch 'master' into better_figures_and_images