Scrollable: cosmetical improvement for desktop by using overflow:auto instead of overflow:scroll
get delite iOS tests working, thanks @lbod, refs ibm-js/deliteful#38
fixes #110; update intern to 1.5 and add grunt tests.
  - run `grunt test:'target'` where target is local or remote or node
  - add any reporters via flag e.g. `grunt:test:console`, usage is provided via grunt --help

jshint

readme updated for tests

remove node target (unlikely it'll ever be needed in delite, if so then has() config needs to be provided). Update docs

fixup docs
remove outdated doc about runsauce.sh etc. shell scripts, refs #110