Merge pull request #52 from enthought/more-examples

Added plot of distribution for first example.
Add a comment about communication padding widths.
Remove reference to 'n' distribution

... from the main text.
Fix the first example.
Add constraint on the global number of elements.
Merge pull request #73 from enthought/feature/communication-padding-constraint

Add a comment about communication padding widths.
Remove quotes around "undistributed".
Remove leftover debug statement.
Merge pull request #74 from enthought/feature/no-n-disttype

Remove the 'n' dist_type
Pull in @kwmsmith's suggested wording.
Merge branch 'master' into feature/size-constraint
Merge pull request #75 from enthought/feature/size-constraint

Add constraint on the global number of elements.
Add constraint for dim_data along an axis.
Add subsection titles under "General constraints"
Add section numbering.

It is a spec after all.
Replace description of padding-tuple with @kwmsmith's

... with some editing.
Remove the 'all-or-nothing' attribute text.

This is covered by the above statement and by a statement in the "General Constraints" section.
Be more explicit about padding's default.
Clarify example text.
Merge pull request #77 from enthought/feature/constrain-dimdata-along-an-axis

Constrain dimdata along an axis