disabled errbit for javascript
Merge pull request #302 from tomkuk/errbit

disabled errbit for javascript
apply image lazy loading
typo
bundle updated
Typos and grammar on About page

Use the current URL of Twitter profiles, which are SSL, non-www

Last phrase in first bullet of "We believe" section should
stand on its own as declarative, solid sentence.
Merge pull request #304 from tomkuk/bundle-update

Bundle update
Merge pull request #305 from randomecho/copyedit

Typos and grammar on About page
added Puma conf
merged with master