Merge pull request #4 from OHI-Science/master

fetching Mel's CalculateAll pressures fix, plus Antarctica and High Seas
ingested LE layers toolbox function ohi-science/ohicore#29
documented CalculateAll() with sequence of operations and added optional Setup() in functions.R for things like automatically installing packages. resolves #89
cleaned up CalculateAll() and functions.R. resolves #89
final touches on #89

Merge branch 'master' of https://github.com/bbest/ohicore

Conflicts:
	R/CalculateAll.R
	inst/extdata/conf.Global2012.www2013/functions.R
	inst/extdata/conf.Global2013.www2013/functions.R
	man/CalculateAll.Rd
Merge pull request #90 from bbest/master

added LE layers (#29) and Setup() in functions.R (#89)