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
Merge pull request #32 from dflock/better_figures_and_images

Better Figures & Images Plugin
Implemented a thumbnailer that generates thumbnails in the output directory.
Fix jpegtran command line

Fix the non-processing of jpeg files.

Fix the error:
```
jpegtran: only one input file
```
Merge pull request #44 from noirbizarre/patch-2

Fix jpegtran command line
Add a gallery metadata for articles that gives you a gallery_content object on articles.
Merge pull request #43 from RussTheAerialist/master

Implement a thumbnail-generation plugin.
Fix summary plugin not properly updating asset paths in summaries.

RST files with figures in the summary were not properly displaying the image, because the path was not properly being rewritten with the "|filename|" substituted with the proper path.

Calling _update_content() performs the proper regex substitutions.
Merge pull request #49 from lsowen/patch-1

Fix summary plugin not properly updating asset paths in summaries.