logic: revised loading Java library

* implemented a dynamic way (that does not involve the linker) to load the Java runtime library
* implemented JavaPathDetectorLinux
* Filepicker for Java runtime library now asks to pick JVM library instead of folder
* extended error handling for JavaEnvironmentFactory

src/lib_gui/utility/utilityApp.cpp

@@ -1,6 +1,7 @@
 #include "utility/utilityApp.h"
 
 #include <QProcess>
+#include "utility/utilityString.h"
 
 std::string utility::executeProcess(const char *cmd)
 {
@@ -10,6 +11,7 @@ std::string utility::executeProcess(const char *cmd)
 	process.waitForFinished();
 	std::string processoutput = process.readAll().toStdString();
 	process.close();
+	processoutput = utility::trim(processoutput);
 
 	return processoutput;
 }