Update version to 1.2.6

- Update version and build number in plist file.
- Update ReadMe for 1.2.6

Author: dempseyatgithub

BuildSettingExtractor/BuildSettingExtractor-Info.plist

@@ -17,11 +17,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.2.5</string>
+	<string>1.2.6</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>9</string>
+	<string>10</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>${MACOSX_DEPLOYMENT_TARGET}</string>
 	<key>NSHumanReadableCopyright</key>

ReadMe.md

@@ -51,7 +51,17 @@ These comments can be turned off in the Preferences sheet for a more compact fil
 
 ### Version History ###
 
-*Version 1.2.5*  
+*Version 1.2.6*
+*Nov 3, 2017*
+
+– Added menu item to choose Xcode project.  
+– Removed unused menu items.  
+– Added window minimum size.  
+– Updated window with options more befitting a single-window app.  
+– Improved support for reading build setting descriptions from xcspec files.  
+– Updated list of build setting description files to include Swift xcspec file.  
+
+*Version 1.2.5*
 *Jun 13, 2017*
 
 – Resolve possible naming conflict between generated project and target files.