Set default docset dir appropriately on OS X
Rename helm-dash-connect-to-docset, which was misleading
Remove unused helm-dash-string-starts-with
Docstring fixes

Conflicts:
	helm-dash.el
Work on OS X too, with the original Dash
Fix byte compilation warnings, largely by using cl-lib throughout
Use the standard string-prefix-p instead of helm-dash-string-starts-with
Place custom vars in custom group
Prefer defalias to fset
Avoid return/cl-return
Don't use (removed) helm-dash-ends-with in tests
Don't test now-removed helm-dash-some
Fix indentation
Merge pull request #68 from purcell/master

Work on OS X, alongside the original Dash (also: various fixes)