Merge pull request #1 from swish-climate-impact-assessment/dev-ivan

add init.r
commit changed gitignore
add R actor to dev-R
modified test kar
add R kepler actors
mod subset
add test sla centres kar
fix merge conflict on gitignore

Merge branch 'dev-ivan' of github.com:swish-climate-impact-assessment/swish-kepler-actors into dev-ivan

Conflicts:
	.gitignore
added R download actor