Create README.md
Repair broken thumbnail handling for Firefox 22, fixes #9
Stop cropping thumbnail images, fixes #7
Make thumbnail code still work on Firefox <22
Load recent tabs earlier to prevent UI jumpiness
Update version number
Merge branch 'unreleased'
Don't start listening for closed tabs if preloaded
Remove Firefox <21 compatibility
Fix typo
Add xpi.list to prevent files being added to .xpi by mistake
Reload the preloaded tab page on startup/shutdown
Listen for TabOpen event instead of TabSelect
Extract strings into DTD and properties files
Add locale files to build