fixes to some README files
added comment to README
added all target to Makefile and cleaned up plots in chile2010_fgmax
fixed some other README files
Merge pull request #26 from rjleveque/fixes-fgmax-plots

Minor fixes to fgmax plots and README files
fixed all Makefiles that point to classic and amrclaw default library routines to use new .f90 versions
Merge pull request #27 from rjleveque/default-files-f90

fixes for 5.0.0 compatibility
added notebooks directory with an example using amrclaw for the advection_2d_square problem
added README
Merge pull request #28 from rjleveque/notebook1

Added notebooks directory with one example
Add three PyClaw IPython notebooks.