updated many slamdata dependencies, fixed all compiler errors & inference issues; updated all node webkit dependencies and fixed errors resulting from update.
Merge pull request #136 from jdegoes/ready/68

Fixes #68, updates numerous dependencies
Merge branch 'master' of github.com:slamdata/slamdata into wip/97

Conflicts:
	bower.json
	src/SlamData/Types.purs
	src/SlamData/Types/WorkSpace/FileSystem.purs
	src/SlamData/Types/WorkSpace/Notebook.purs
	src/SlamData/Types/WorkSpace/Notebook/Block.purs