iopart.layout: rename a tooltip, no change in functionality

lib/layouts/iopart.layout

@@ -61,8 +61,8 @@ Style Title
 	Category		FrontMatter
 	InTitle			1
 	Argument 1
-		LabelString   "Short Title|S"
+	  LabelString		"Short Title|S"
-		Tooltip       "The title as it appears in the running headers"
+	  Tooltip		"Short title that will appear in header line"
 	EndArgument
 	ParSkip			0.4
 	ItemSep			0

lib/templates/IOP-article.lyx

@@ -1,4 +1,4 @@
-#LyX 2.0 created this file. For more info see http://www.lyx.org/
+#LyX 2.1 created this file. For more info see http://www.lyx.org/
 \lyxformat 413
 \begin_document
 \begin_header
@@ -30,7 +30,6 @@
 \font_osf false
 \font_sf_scale 100
 \font_tt_scale 100
-
 \graphics default
 \default_output_format default
 \output_sync 0
@@ -43,8 +42,8 @@
 \use_geometry true
 \use_amsmath 0
 \use_esint 1
-\use_mhchem 1
 \use_mathdots 1
+\use_mhchem 1
 \cite_engine basic
 \use_bibtopic false
 \use_indices false
@@ -147,7 +146,7 @@ footnotes
 \begin_layout Title
 Your Title
 \begin_inset Argument
-status collapsed
+status open
 
 \begin_layout Plain Layout
 optional short title
@@ -403,7 +402,7 @@ key "Parkin2005,LComp2004"
 placement hb
 wide false
 sideways false
-status collapsed
+status open
 
 \begin_layout Plain Layout
 \begin_inset Caption