logic: Show overview of analyzed symbols after launch

* show analysed nodes as bundles in graph
* ellide node names longer than 50 chars
* sort nodes alphabetic in these bundles
* show stats of analysis in code
* error are displayed as well in overview
* added keywords overview and error
* project description can be set in .coatiproject file
* description can include links to symbols using [symbol] syntax
* updated documentation
* increased toc nesting in documentation

src/lib_gui/qt/element/QtCodeFile.cpp

@@ -57,6 +57,11 @@ QtCodeFile::QtCodeFile(const FilePath& filePath, QtCodeFileList* parent)
 
 	titleLayout->addWidget(m_title);
 
+	if (m_title->text().size() == 0)
+	{
+		m_title->hide();
+	}
+
 	m_titleBar->setMinimumHeight(m_title->height() + 4);
 
 	m_referenceCount = new QLabel(this);