Required RCurl on NAMESPACE
testing
Changed env to ggplot2 and improved documentation
Resolved conflict
changes to sp2df function
tracking origin

Merge branch 'maps' of https://github.com/bborgesr/mosaic into maps

Conflicts:
	R/maps.R
Improved documentation
Improved documentation on mMap general fucntions
Small change to CIAdata function
Updated documentation
import RCurl
Moved system.rda and improved documentation
changed mMap to makeMap in mUSMap and in mWorldMap
Merge pull request #348 from bborgesr/maps

Maps