A new GUI widget plus changes to the init system. GUI: Implemented a GridWidget to layout several sub-widgets. Improved log messages about init functions. Moved all dynamic-library loading into a separate init stage. committer: Diggory Hardy <diggory.hardy@gmail.com>

{MT01}
{W1}
<int|x=10>
<int|y=50>
<int[][int]|widgetData=[0:[1001,200,200]]>
{W2}
<int|x=150>
<int|y=200>
<int[][int]|widgetData=[0:[1002,3,2,2,2,3,3,3,3],2:[1001,150,150],3:[1001,100,100]]>