add reading_level, datetime, description, word count, author, and better keywords to articles. add pismo and lingua gems. remove metainspector
actually remove metainspector for this commit
Merge branch 'master' into add_article_attrs

Conflicts:
	app/models/article.rb
	db/schema.rb
fix merge conflicts
set word_count ranges
merge master, passing tests
test article_scraper.rb
remove metainspector keywords method
Merge pull request #38 from mule-deer-2013/add_article_attrs

Add article attrs
add parallel fields from articles to channels. adjust channel_article_mapper constants.
tests passing
Merge pull request #40 from mule-deer-2013/add_article_attrs

Add article attrs
fix channel preference saving.
Merge branch 'add_article_attrs'
Merge pull request #41 from mule-deer-2013/add_article_attrs

Add article attrs
reinstall channel nav on channel show
Merge pull request #42 from mule-deer-2013/channel_nav_channel_show

reinstall channel nav on channel show
merge conflict in article attr_accessible
change skip button to next button
merge multiple changes to channel show styling and formatting