GH-926 implement log cleaning functionality

Also adds gzip compressed log support

logic/pathmatcher/RegexpMatcher.h

@@ -0,0 +1,29 @@
+#include "IPathMatcher.h"
+#include <QRegularExpression>
+
+class RegexpMatcher : public IPathMatcher
+{
+public:
+	virtual ~RegexpMatcher() {};
+	RegexpMatcher(QString regexp)
+	{
+		m_regexp.setPattern(regexp);
+		m_onlyFilenamePart = !regexp.contains('/');
+	}
+
+	virtual bool matches(const QString &string) override
+	{
+		if(m_onlyFilenamePart)
+		{
+			auto slash = string.lastIndexOf('/');
+			if(slash != -1)
+			{
+				auto part = string.mid(slash + 1);
+				return m_regexp.match(part).hasMatch();
+			}
+		}
+		return m_regexp.match(string).hasMatch();
+	}
+	QRegularExpression m_regexp;
+	bool m_onlyFilenamePart = false;
+};