Add real data to datasets item

Based on how MapsItem was implemented
Ellipse too long title/desc + link title
Implement default handler for links

I.e. open in a new tab if click was with ctrl/cmd, otherwise navigate
through router
Select item on click
Merge branch 'master' into 1453-use-real-data-on-datasets-view

Conflicts:
	lib/build/files/js_files.js
Fix missing comma
Don't assume row count is always available
Make links use default behaviour on click

View click was overriding all click events by default
Rename variables to clarify what they really are

Dataset is merely a new concept for the UI, we still rely on existing
models which are named differently
Render title as disabled text for raster datasets
Don't show rows count if not available
Plurals rows
Merge pull request #1475 from CartoDB/1453-use-real-data-on-datasets-view

Use real data on new-dashboard datasets view