Merge from origin/emacs-25

Merge from origin/emacs-25

9ee6ecb lisp/emacs-lisp/chart.el (chart-new-buffer): Move to silence byte compiler.
526d80c Port chart.el methods to cl-generic.
410bb69 Add nt/INSTALL.W64 build instructions
8f5b524 Add new input method 'programmer-dvorak'
6d11f6e Allow to invoke original M-TAB binding in 'flyspell-prog-mode'
bb83bb1 Fix EWW rendering of long RTL lines
b1a8509 fix  bug#21054
ce5ad12 Clean up cairo printing code