Suppresses blind-write warning
Merge pull request #36 from mitchhentges/sftp-26-blind-write

SFTP-26: Stop blind write error
preference & code style

now saves all user data in the user preference, instead of a json file
in the plugin directory.
replaced all tabs to 4-spaces;
bug fix & improvements

1. fixed error when “changed_files” is not defined;
2. now click “Upload On Save”  label triggers the checkbox
3. added uploading indicating icon.
4. new hotkey: Ctrl+Alt+U upload the current opening file.
version number

fixed wrong version number
Merge pull request #2 from bigeyex/master

Update my fork