Issue #41 - Bring method of determining IE version up to date

src/shared/Utils.h

 #ifndef UTILS_H
 #define UTILS_H
 
 #include <algorithm>
 #include <locale>
 #include <functional>
 #include <string>
 
 #define WM_ALREADY_UP_TO_DATE WM_APP+1
 #define WM_UPDATE_CHECK_ERROR WM_APP+2
@@ skipping 32 matching lines @@
 T TrimString(T text)
 {
   // Via http://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring
   T trimmed(text);
   std::function<bool(T::value_type)> isspace = std::bind(&std::isspace<T::value_type>, std::placeholders::_1, std::locale::classic());
   trimmed.erase(trimmed.begin(), std::find_if(trimmed.begin(), trimmed.end(), std::not1(isspace)));
   trimmed.erase(std::find_if(trimmed.rbegin(), trimmed.rend(), std::not1(isspace)).base(), trimmed.end());
   return trimmed;
 }
 
+namespace ABP
+{
+  namespace IE
+  {
+    /**
+     * Retrieve the full version string of the currently installed IE.
+     *
+     * C++11 noexcept.
+     * Returns an empty string if there was a problem retrieving the version string.
+     */
+    std::wstring installed_version_string();
+
+    /**
+     * Retrieve the major version number of the currently installed IE.
+     *
+     * C++11 noexcept.
+     * Returns 0 if there was a problem retrieving the version string.
+     */
+    int installed_major_version();
+  }
+}
+
 #endif // UTILS_H