Function skeleton for bmc.r
Merge branch 'feature/bmc' into develop

Conflicts:
	DESCRIPTION
	NAMESPACE
Added function to calculate entropy diversity and the skeleton for wsm function
Namespace exports new functions
Function for finding the name of the group with largest number in an area
Merge branch 'master' of https://github.com/chihayakenji/catseg into develop
Merge branch 'release/0.3'