Update meta-data version strings

src/resources/Info.plist

 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleGetInfoString</key>
-	<string>Typica 1.5.0</string>
+	<string>Typica 1.6.0</string>
 	<key>CFBundleSignature</key>
 	<string>@TYPEINFO@</string>
 	<key>CFBundleExecutable</key>
 	<key>CFBundleDisplayName</key>
 	<string>Typica</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.5.0</string>
+	<string>1.6.0</string>
 	<key>CFBundleVersion</key>
-	<string>1.5.0</string>
+	<string>1.6.0</string>
 	<key>NSHumanReadableCopyright</key>
 	<string>© 2007–2013 Neal Wilson</string>
 </dict>

src/typica.rc

 #include <winver.h>
 VS_VERSION_INFO	VERSIONINFO
-FILEVERSION 	1,5,0,0
-PRODUCTVERSION 	1,5,0,0
+FILEVERSION 	1,6,0,0
+PRODUCTVERSION 	1,6,0,0
 FILEFLAGSMASK	0x3fL
 #ifdef _DEBUG
 	FILEFLAGS	VS_FF_DEBUG