Basic scroll past end support
Consider content height when calculating past-end
Add preference option to toggle scrolling past end
Ignore trailing junk when scrolling past end

To avoid performance hit, content size update is noew performed
only when scrolling past end is enabled. Some refactoring are
done to reuse parts of existing calculation.
Make scrollsPastEnd property atomic
Fix typos in README
Add preference toggle for auto-incrementing numbered lists
Merge pull request #167 from dlackty/patch-1

Fix typos in README
Correct binding target and autolayout constraints
Format
Add Tommy Goode (@airdrummingfool) as contributor
Merge pull request #169

From airdrummingfool/auto-increment-numbered-lists

Fix #93
Merge branch 'master' of github.com:uranusjr/macdown
Fix bindings
Upgrade project for Xcode 6
Add notes in readme for Xcode users on 10.8 SDK
XIB update by Xcode
Refactor word count update to method
Update word count widget on show
Merge branch 'word-counter-fix'

Fix bug where word counter is empty when showing until next rendering.