avatars: Use more reliable LastWriteTime to determine whether the avatar needs refetching
Added new icon for Mac Yosemite+
Merge pull request #1586 from snwh/master

Added new icon for Mac Yosemite+
mac ui: Integrate new Yosemite folder icon. Closes #1585
Update Authors.txt
mac bubbles: Clean up
Update Authors.txt
Merge pull request #1587 from BarryThePenguin/patch-1

Update Authors.txt
Windows pausing and note creation
- Added note window
- Added BitmapImage helper for Avatar display in note window
- Added "Open folder" menu item to sub folder menu
- Added border radius to avatar
- Added placeholder to note textbox
- Added cancel and sync handlers
- Increased padding in text field
- Decreased button width and spacing to match other SparkleShare buttons