Point out that numpy/matplotlib are imported automatically by --pylab
Add color/size attributes to text example
Move code after figure since it does not include these changes and better fits comment on state
Added a note about close()
out -> out2
Added a space after a comma
Removed excess bullet point
Gah: RST
Added PNG of 3D example
Added back in an admonition that was not being used
Add a note about when to bother with close
Added a small section on the GUI
Added a small section on savefig
help img -> help(img)
Minor diversion to explain a couple of errors I saw users hitting today
Really should review English before comitting
Merge pull request #11 from DougBurke/master

Various doc edits and improvements to the plotting section (mostly).