[Bf-docboard] Errata 21

[BALDASSARRE CESARANO]

-- chapter_character_animation.xml --
	line 460: Append a ";" or a dot
	Line 1487: "CTRL-LEFTMOUSE" ---> "CTRL-LMB"

-- section_rigging_tut.xml --
	Lines 540 and 561: Same caption!
	Lines 644, 650: Append a dot (see others items)

-- section_robot_tut.xml --
	Line 8: Append a dot "etc" --> "etc."
	Line 85: Append a dot (see other item)
	Line 115: Append a dot
	Line 349: "Tolerance" ---> "Tolerance:" and in literal
	Line 350: "Iterations" ---> "Iterations:" and in literal

-- section_nla_walkcycle_tut.xml --
	Lines 19-20: The title of tutorial is not "Hand and Foot tutorial"
	Line 239: add a dot

Ciao
	Baldo