Updated GraphFrame with start-up parameters.

2014-08-31
-FEATURE: Changed GraphFrame's main method to accept parameters to load
files on start-up.
-FEATURE: Added support for parameters "-?" and "/?" for GraphFrame.
-FEATURE: Changed GraphFrame's file extension (used when saving graphs)
to .graph.
-FEATURE: Added the name of the graph file to GraphFrame's title.

2014-08-27
-FEATURE: Changed GraphList's grid to have a static size (always
TARGET_GRID_SIZE).
-FEATURE: Added padding to the top and the right of the graph/grid.