Add 'draft' background option to the live preview
Change to on by default

Blame Andy
Ensure full preview window coverage

even when there is padding.
Fix dashboard widgets issue, cache jQuery variables

Suggestion made in 77d42b508f37b2b55e53d607071593f2e1db9d1c by gavin19
Add current timestamp macro, clean up existing macros
Remove clickCount for reddiquette link
another Safari 6.1/7 fix.
Merge pull request #615 from gavin19/live-preview-draft

Add 'draft' background option to the live preview
Merge pull request #616 from mc10/minor-fixes

Fix dashboard widgets issue, cache jQuery variables
Merge pull request #617 from mc10/macros

Make macros improvement