fix keybinding setting
close window when filepicker is canceled
do not save window position for minimized windows
Don't strip whitespace in Markdown. Fixes #347

Because a double space at EOL indicates a hard line break.
Merge pull request #335 from nightwing/master

Fix emacs mode
Merge pull request #348 from robru/patch-11

Don't strip whitespace in Markdown. Fixes #347