logic: visual studio solution parsing

Can now parse visual studio solutions. VS Plugin can send a command, parsing is implemented in Coati.
Some minor changes: added project file icon, added language check to vs plugin

src/lib/utility/solution/ISolutionParser.h

@@ -0,0 +1,34 @@
+#ifndef I_SOLUTION_PARSER_H
+#define I_SOLUTION_PARSER_H
+
+#include <fstream>
+#include <vector>
+
+class ISolutionParser
+{
+public:
+	ISolutionParser()
+		: m_solutionPath("")
+		, m_solution("")
+	{};
+	virtual ~ISolutionParser(){};
+
+	void openSolutionFile(const std::string& solutionFilePath);
+	unsigned int getSolutionCharCount() const;
+
+	virtual std::string getSolutionName() = 0; // to be overwritten to account for different file endings
+	std::string getSolutionPath();
+
+	virtual std::vector<std::string> getProjects() = 0;
+	virtual std::vector<std::string> getProjectFiles() = 0;
+	virtual std::vector<std::string> getProjectItems() = 0;
+
+protected:
+	std::string loadFile(const std::string& filePath);
+
+	std::string m_solutionName;
+	std::string m_solutionPath;
+	std::string m_solution;
+};
+
+#endif // I_SOLUTION_PARSER_H