prune trainling whitespace in intro/numpy/array_object.rst
be explicit about what kind of literal block we have
have uniform sourecode directives
fix indentation
fixup incorrect soureccode indentation
use elipsis only for multiline statements
WIP: tweak the plot preview
no tip here
no tip here either
better list of more advanced datatypes
introduce array_equal
spice up the exercises a little
remove the real world examples

Perhaps it is not so clever to ask for running fortran or tensors in an
introduction to numpy.
put the summary before the final exercises
fix broken indentation
shift the exercises into a seperate file
WIP: fix an issue with the download link
add link to data
section about the np import convention
exercise to create some simple arrays