ui: Extracted syntax highlighting rules for java and cpp to files

* pass file language from storage to code view
* load syntax highlighting rules files from install directory "syntax_highlighting_rules"
* files must be named <language_identifier>.rules to make syntax highlighting work

src/lib/utility/ResourcePaths.cpp

@@ -7,6 +7,11 @@ FilePath ResourcePaths::getColorSchemesPath()
 	return AppPath::getAppPath().concatenate(L"data/color_schemes/");
 }
 
+FilePath ResourcePaths::getSyntaxHighlightingRulesPath()
+{
+	return AppPath::getAppPath().concatenate(L"data/syntax_highlighting_rules/");
+}
+
 FilePath ResourcePaths::getFallbackPath()
 {
 	return AppPath::getAppPath().concatenate(L"data/fallback/");

src/lib/utility/ResourcePaths.h

@@ -9,6 +9,7 @@ class ResourcePaths
 {
 public:
 	static FilePath getColorSchemesPath();
+	static FilePath getSyntaxHighlightingRulesPath();
 	static FilePath getFallbackPath();
 	static FilePath getFontsPath();
 	static FilePath getGuiPath();