DOC: improve wording of error message, etc
use "hot" colormap instead of "jet"
Merge pull request #86 from endolith/spectrum_example

Change wording for spectrum example, use hot colormap for spectrogram
Make the field-names look better.

Why can't I get rid of the space following field names?
Add the whitespace:nowrap property to field names.

Often the trailing ':' following a field name (like 'Parameters :' or 'Traits :') would get wrapped to the next line, and it looked terrible.
Remove non-working git commands from quickstart.

You can't check out subdirectories with git, at least without doing something fancier.
DOC: Improve wording of a small part of the quickstart
Fix examples path for OS X.

It's probably broken for the other OSes as well, but I can't check it.
Merge pull request #88 from bgrant/improve-quickstart

DOC: Improve the Quickstart document
Implemented quiverplot method for Plot class. QuiverPlots can now be used like other more common plots.
Update quiverplot example to follow Plot API
Merge pull request #87 from bgrant/fix-field-name-appearance

DOC: Improve field-name appearance
Fix error message.
Removed whitespace in chaco/plot.py
removed extraneous function calls in examples/demo/quiver.py
Merge pull request #89 from msarahan/QuiverPlot_addition

Quiver plot addition