Fix bug #3239 (Dragging a file onto Brackets to open it is broken on Win,
if you drag onto the editor area) - Revert 8f35d64's change enabling
CodeMirror dragDrop. This problem is the reason we had dragDrop disabled
in the first place.
Remove welcome project duplicate fix

Clean up welcomeProjectsFixed code - Issue #2823
Merge branch 'master' of https://github.com/adobe/brackets
Merge branch 'master' of https://github.com/albertxing/brackets
Customize styling for Quick Open

Add box shadow, more fonts, align vertically with input.
Merge branch 'master' of https://github.com/adobe/brackets
Merge branch 'master' of https://github.com/adobe/brackets
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/adobe/brackets
Merge branch 'master' of https://github.com/adobe/brackets
Merge branch 'master' of https://github.com/adobe/brackets
Merge branch 'master' of https://github.com/adobe/brackets
Merge branch 'albertxing/3003' of https://github.com/albertxing/brackets into albertxing/3003
Use `cursorCoords()` instead of line numbers

Use the more efficient & accurate `cursorCoords()` function instead of
calculations from line numbers.