ADD: added ICCAT alb data files
MOD: renamed files
ADD: vignette

Started building package vignette using knitr
DEL: cleaned out vignette
MOD: tests for derivation of MPD q
MOD: bug fix
MOD: switched to state-space formulation

Improved mixing of chains
Merge pull request #3 from cttedwards/kobe-vignette

Kobe vignette