moderncv.layout: shorten the label strings

- IEEEtran.layout: some whitespace fixes

lib/layouts/IEEEtran.layout

@@ -39,7 +39,7 @@ Style Standard
   ParIndent	MM
   ParSkip	0.4
   Align		Block
-  AlignPossible Block, Left, Right, Center
+  AlignPossible	Block, Left, Right, Center
   LabelType	No_Label
 End
 
@@ -314,10 +314,10 @@ Style Proof
   BottomSep	0.7
   ParSep	0.3
   Align		Block
-  AlignPossible Block, Left
-  LabelType    Static
-  LabelString  "Proof."
-  EndLabelType Filled_Box
+  AlignPossible	Block, Left
+  LabelType	Static
+  LabelString	"Proof."
+  EndLabelType	Filled_Box
   Font
     Shape	Up
     Size	Normal

lib/layouts/moderncv.layout

@@ -114,8 +114,8 @@ Style Item
 	LatexName		cvitem
 	Argument 1
 	  Mandatory		1
-	  LabelString		"Item summary"
-	  Tooltip		"item summary"
+	  LabelString		"Summary"
+	  Tooltip		"Summary"
 	EndArgument
 	ParSkip			0.4
 	Align			Block
@@ -136,13 +136,13 @@ Style ItemWithComment
 	ResetArgs		1
 	Argument 1
 	  Mandatory		1
-	  LabelString		"Item summary"
-	  Tooltip		"Item summary"
+	  LabelString		"Summary"
+	  Tooltip		"Summary"
 	EndArgument
 	Argument 2
 	  Mandatory		1
-	  LabelString		"Item text"
-	  Tooltip		"Item text"
+	  LabelString		"Text"
+	  Tooltip		"Text"
 	EndArgument
 End
 
@@ -160,18 +160,18 @@ Style DoubleItem
 	KeepEmpty		1
 	Argument 1
 	  Mandatory		1
-	  LabelString		"Left item summary"
-	  Tooltip		"Left item summary"
+	  LabelString		"Left summary"
+	  Tooltip		"Left summary"
 	EndArgument
 	Argument 2
 	  Mandatory		1
-	  LabelString		"Left item text"
-	  Tooltip		"Left item text"
+	  LabelString		"Left text"
+	  Tooltip		"Left text"
 	EndArgument
 	Argument 3
 	  Mandatory		1
-	  LabelString		"Right item summary"
-	  Tooltip		"Right item summary"
+	  LabelString		"Right summary"
+	  Tooltip		"Right summary"
 	EndArgument
 End
 
@@ -335,8 +335,8 @@ Style Enclosing
 	CopyStyle		Opening
 	LatexName		enclosure
 	Argument 1
-	  LabelString		"Alternative enclosing name"
-	  Tooltip		"Alternative enclosing name"
+	  LabelString		"Alternative name"
+	  Tooltip		"Alternative instead of 'Enclosure'"
 	EndArgument
 	LabelSep		xx
 	LabelType		Static