Removed logger from gravmag_harverster.ipynb
Merge pull request #139 from hbueno/rm-logger

Removed logger from gravmag_harverster.ipynb
REMEMBER: README must be rst for PyPI

PyPI doesn't render markdown content. The readme must be in RST for the
package page in PyPI.
Set the logo image as a title

Using rst alias for this.

http://stackoverflow.com/a/19189518
Rename readme extension to rst
Merge pull request #142 from fatiando/readme

README must be reStructuredText instead of Markdown
PR checklist as an h2 in markdown
New PR checklist item: check for new dependencies
Fix broken links to the mailing list
dens arg for talwani.gz

Overwrites the density property of the polygons. Used for making
sensitivity matrices (set density to 1).
Merge branch 'master' into new-moulder

Conflicts:
	README.md