Fix build (electerm#1826)

Update buider

Back to old electron

fix electerm#1794 [fix] Fix window release(Mac, Linux user do not nee…

…d upgrad)

[skip appveyor]

fix electerm#1762 [fix] Fix click new bookmark function

fix electerm#1759 [feat] Add env:LANG option in bookmark form-> setti…

…ng (electerm#1760)

fix electerm#1755 [fix] Handle readfile error in sftp(ignore bad link) (

electerm#1756)

Adjust background image settings UI (electerm#1749)

Improve maximize function