FIX: Ensuring proj matches basemap
ENH: Added point plotting on maps
FIX: A couple of bugs with the first commit
ENH: range line segment plotting and range rings on radar maps
FIX: Minor typos and bugs
Added an example for basemap plotting
BUG: Fixed label offset
ENH: Can now read Sigmet files with some additional data types
Merge pull request #143 from jjhelmus/sigmet_field_72_74

ENH: Can now read Sigmet files with some additional data types
MAINT: Clean up for enhancements to RadarMapDisplay

* Added documentation to methods.
* Fixed example of RadarMapDisplay.
* Fixed mismatch in projections.
* Added unit tests.
Merge pull request #134 from scollis/fix_map_background

Fix map background
Merge pull request #145 from jjhelmus/pr_134

MAINT: Clean up for enhancements to RadarMapDisplay
DOC: added links to standard in write_cfradial
Merge pull request #147 from jjhelmus/master

DOC: added links to standards in write_cfradial docstring
Merge remote branch 'upstream/master'