Initialisation continuous power law distribution object
Merge branch 'master' of github.com:csgillespie/poweRlaw into continuous_pl

Conflicts:
	DESCRIPTION
Merging withe the HEAD
bootstrap_xmin now works with the CTN power-law
Merge branch 'master' into continuous_pl
Started vignette
Merge branch 'master' into continuous_pl
Should now work with R-devel
Bootstrapping now simulates from a discrete or CTN depending on the data type