Switch to unpatched libass since it's compilable with VC++ 2013

.gitmodules

@@ -34,8 +34,8 @@
 	ignore = dirty
 [submodule "deps/libass"]
 	path = deps/libass
-	url = https://github.com/Aegisub/libass.git
-	branch = msvc
+	url = https://code.google.com/p/libass/
+	branch = master
 [submodule "deps/icu"]
 	path = deps/icu
 	url = git://github.com/sillsdev/icu4c.git

aegisub/build/libass/config.h

+#define _CRT_SECURE_NO_WARNINGS
+#define _CRT_NONSTDC_NO_DEPRECATE
+
+#define CONFIG_FONTCONFIG 1
+#define CONFIG_ICONV 1
+
+#define M_PI 3.1415926535897932384626433832795

aegisub/build/libass/libass.vcxproj

@@ -19,8 +19,8 @@
     <ClCompile>
       <AdditionalIncludeDirectories>
         $(LibassSrcDir)\libass;
-        $(LibassSrcDir)\win32;
-        $(LibassSrcDir)\win32\headers;
+        $(MSBuildThisFileDirectory);
+        $(AegisubSourceBase)\include\fribidi;
         $(AegisubContribBase)iconv\include;
         %(AdditionalIncludeDirectories)
       </AdditionalIncludeDirectories>

aegisub/build/libass/strings.h

+#define strncasecmp _strnicmp
+#define strcasecmp _stricmp
+

libass @ de3f0e75

-Subproject commit a394599720fb6c8f8ac821351f9851da82ce4e11
+Subproject commit de3f0e7572fb927d10857d4177ef58be2c9b3dbc