Merge from origin/emacs-24

Merge from origin/emacs-24

4b0b27d Fix invocation of commands whose file name includes extension
87fc99f Better support for the case of typing RET on the prompt in comint.
a7b1c2f Don't lose frame's background color when setting foreground
20c817d Fix handling of frame color parameters in TTY sessions
eca7da1 Complete the remaining documentation updates for 24.5

Conflicts:
	doc/lispref/ChangeLog
	etc/NEWS
	lisp/ChangeLog
	nt/ChangeLog
	src/ChangeLog