Source Sans Pro - version 2.015-r and 1.070-i

	Updates RSB for quotedblbase and kerning for baseline quotes in italics. (issue adobe-fonts#49)
	Updates x-height measurements in all fonts. (issue adobe-fonts#57)

Author: pauldhunt

Diff for: Italic/BlackIt/derivedchars_TT

@@ -2070,7 +2070,7 @@ EndDerived
 
 /quotedblbase DerivedName
 (quoteright) -100 -510 Base
-580 Width
+550 Width
 (quoteright) -70 -510 AddAdjacent
 EndDerived
 

Diff for: Italic/BlackIt/features

@@ -29,7 +29,7 @@ table OS/2 {
 	winAscent 984;		# Must be the same on all fonts for cross-weight consistency
 	winDescent 273;		# Must be the same on all fonts for cross-weight consistency
 	XHeight 500;
-	CapHeight 650;
+	CapHeight 660;
 	WeightClass 900;	# Black
 	WidthClass 5;		# Medium (normal)
 	Vendor "ADBE";

Diff for: Italic/BlackIt/font.ttf

@@ -5,7 +5,7 @@
 	<key>ascender</key>
 	<integer>750</integer>
 	<key>capHeight</key>
-	<integer>650</integer>
+	<integer>660</integer>
 	<key>copyright</key>
 	<string>Copyright 2010, 2012, 2014 Adobe Systems Incorporated (http://www.adobe.com/), with Reserved Font Name 'Source'.</string>
 	<key>descender</key>