Make F5 key reload filelist.

We've had a few people report issues about this feature not existing, so a default keybinding would probably be helpful.
Merge pull request #239 from robru/patch-6

Make F5 key reload filelist.
Changelog updates for 0.10.2
Initial whack at auto updating. This works on Linux and Mac, but on
windows there are still locking problems.
Fixes #199 and #223
In addition, auto updates that even works on Windows. Also completely redid the way
open projects are tracked, allowing to reopen the project picker via a
command.
Remove last openen reference
add File:Copy command
Merge pull request #245 from iElectric/copy_file

Add File:Copy command
Fixes #230
Fixes #217
Add missing doc string for new File:Copy command.
Adding default support for .scss files using SCSS ACE mode
Ignores files generated by Mac package script
Fixes Mac app name
Merge pull request #251 from tfwright/config-path

App name fix
Merge pull request #249 from gholtsla/master

Adding default support for .scss files using SCSS ACE mode
Merge pull request #247 from robru/patch-7

Add missing doc string for new File:Copy command.
Make self-update more robust with error handling and showing errors to
the user.
Apparently moving the window doesn't trigger the "resize" event, so
window state is not saved. Now also listening to "move" event.
Fixes #241
Also updates zedconfig.json to include some JavaScript globals available
to the whole Zed project.